[MLIR] Assertion failure in scf::ForOp::getRegionIterArgs() with malformed scf.for

Test commit: [5a86dc996c26299de63effc927075dcbfb924167](https://github.com/llvm/llvm-project/pull/157520/commits/5a86dc996c26299de63effc927075dcbfb924167)

**Description**:
The MLIR verifier crashes with an assertion failure instead of emitting a proper error message when encountering a `scf.for` loop that is missing its required block argument for the induction variable.

**Steps to reproduce**
- Minimal MLIR program (test.mlir)
```
"builtin.module"()({
	"func.func"()<{
		function_type=(index,index)->(),
		sym_name="test"
	}>({
		^bb0(%arg0:index,%arg1:index):
			%0="arith.constant"()<{
				value=1:index
			}>:()->index
			%1="arith.constant" ()<{
				value=2:index
			}>:()->index
		"scf.for"(%arg0,%arg1,%0)({
			"scf.for"(%arg0,%arg1,%1)({
				^bb0(%arg3:index):
				"scf.yield"():()->()
				}):(index,index,index)->()
				"scf.yield"():()->()
			}):(index,index,index)->()
		"func.return"():()->()
	}):()->()
}):()->()

```

**Command**
```
mlir-opt test.mlir
```

**Output**
```
mlir-opt: /workdir/llvm-project/llvm/include/llvm/ADT/ArrayRef.h:397: MutableArrayRef<T> llvm::MutableArrayRef<mlir::BlockArgument>::drop_front(size_t) const [T = mlir::BlockArgument]: Assertion `this->size() >= N && "Dropping more elements than exist"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.      Program arguments: /workdir/llvm-project/build/bin/mlir-opt test.mlir
 #0 0x00005604debdfa1b backtrace (/workdir/llvm-project/build/bin/mlir-opt+0xf5f1a1b)
 #1 0x00005604dee64cfc llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /workdir/llvm-project/llvm/lib/Support/Unix/Signals.inc:834:13
 #2 0x00005604dee5f17f llvm::sys::RunSignalHandlers() /workdir/llvm-project/llvm/lib/Support/Signals.cpp:105:18
 #3 0x00005604dee67316 SignalHandler(int, siginfo_t*, void*) /workdir/llvm-project/llvm/lib/Support/Unix/Signals.inc:426:38
 #4 0x00007f5158818520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #5 0x00007f515886c9fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #6 0x00007f5158818476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #7 0x00007f51587fe7f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #8 0x00007f51587fe71b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #9 0x00007f515880fe96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#10 0x00005604dee8fe1a llvm::MutableArrayRef<mlir::BlockArgument>::drop_front(unsigned long) const /workdir/llvm-project/llvm/include/llvm/ADT/ArrayRef.h:397:7
#11 0x00005604e551cc9e mlir::scf::ForOp::getRegionIterArgs() /workdir/llvm-project/mlir/lib/Dialect/SCF/IR/SCF.cpp:542:3
#12 0x00005604e558f0e2 mlir::detail::LoopLikeOpInterfaceInterfaceTraits::Model<mlir::scf::ForOp>::getRegionIterArgs(mlir::detail::LoopLikeOpInterfaceInterfaceTraits::Concept const*, mlir::Operation*) /workdir/llvm-project/build/tools/mlir/include/mlir/Interfaces/LoopLikeInterface.h.inc:704:3
#13 0x00005604f0c0d193 mlir::detail::verifyLoopLikeOpInterface(mlir::Operation*) /workdir/llvm-project/mlir/lib/Interfaces/LoopLikeInterface.cpp:62:36
#14 0x00005604e5591d2e llvm::LogicalResult::succeeded() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:40:45
#15 0x00005604e5591d2e llvm::succeeded(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:67:61
#16 0x00005604e5591d2e llvm::LogicalResult mlir::op_definition_impl::verifyRegionTraits<mlir::OpTrait::OneRegion<mlir::scf::ForOp>, mlir::OpTrait::VariadicResults<mlir::scf::ForOp>, mlir::OpTrait::ZeroSuccessors<mlir::scf::ForOp>, mlir::OpTrait::AtLeastNOperands<3u>::Impl<mlir::scf::ForOp>, mlir::OpTrait::SingleBlock<mlir::scf::ForOp>, mlir::OpTrait::SingleBlockImplicitTerminator<mlir::scf::YieldOp>::Impl<mlir::scf::ForOp>, mlir::OpTrait::OpInvariants<mlir::scf::ForOp>, mlir::OpTrait::AutomaticAllocationScope<mlir::scf::ForOp>, mlir::LoopLikeOpInterface::Trait<mlir::scf::ForOp>, mlir::ConditionallySpeculatable::Trait<mlir::scf::ForOp>, mlir::RegionBranchOpInterface::Trait<mlir::scf::ForOp>, mlir::OpTrait::HasRecursiveMemoryEffects<mlir::scf::ForOp> >(mlir::Operation*) /workdir/llvm-project/mlir/include/mlir/IR/OpDefinition.h:1661:19
#17 0x00005604e5591c23 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#18 0x00005604e5591c23 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#19 0x00005604e5591c23 mlir::Op<mlir::scf::ForOp, mlir::OpTrait::OneRegion, mlir::OpTrait::VariadicResults, mlir::OpTrait::ZeroSuccessors, mlir::OpTrait::AtLeastNOperands<3u>::Impl, mlir::OpTrait::SingleBlock, mlir::OpTrait::SingleBlockImplicitTerminator<mlir::scf::YieldOp>::Impl, mlir::OpTrait::OpInvariants, mlir::OpTrait::AutomaticAllocationScope, mlir::LoopLikeOpInterface::Trait, mlir::ConditionallySpeculatable::Trait, mlir::RegionBranchOpInterface::Trait, mlir::OpTrait::HasRecursiveMemoryEffects>::verifyRegionInvariants(mlir::Operation*) /workdir/llvm-project/mlir/include/mlir/IR/OpDefinition.h:2063:9
#20 0x00005604e558da51 mlir::RegisteredOperationName::Model<mlir::scf::ForOp>::verifyRegionInvariants(mlir::Operation*) /workdir/llvm-project/mlir/include/mlir/IR/OperationSupport.h:0:14
#21 0x00005604e92edf6e llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#22 0x00005604e92edf6e llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#23 0x00005604e92edf6e (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:236:25
#24 0x00005604e92edf6e auto (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0::operator()<mlir::Operation>(mlir::Operation*) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:287:53
#25 0x00005604e92edf6e auto (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_1::operator()<(anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0>((anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0&&, llvm::PointerUnion<mlir::Operation*, mlir::Block*>) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:276:16
#26 0x00005604e92edf6e (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:287:15
#27 0x00005604e92edf6e (anonymous namespace)::OperationVerifier::verifyOpAndDominance(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:81:14
#28 0x00005604e92f224d llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#29 0x00005604e92f224d llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#30 0x00005604e92f224d (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3::operator()(mlir::Operation*) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:225:9
#31 0x00005604e92f224d auto void mlir::parallelForEach<mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&)::'lambda'(mlir::Operation**&&)::operator()<mlir::Operation*&>(mlir::Operation**&&) const /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:120:12
#32 0x00005604e92ed941 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#33 0x00005604e92ed941 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#34 0x00005604e92ed941 llvm::LogicalResult mlir::failableParallelForEach<mlir::Operation**, void mlir::parallelForEach<mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&)::'lambda'(mlir::Operation**&&)>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&) /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:46:11
#35 0x00005604e92ed941 void mlir::parallelForEach<mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&) /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:119:9
#36 0x00005604e92ed941 void mlir::parallelForEach<llvm::SmallVector<mlir::Operation*, 6u>&, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, llvm::SmallVector<mlir::Operation*, 6u>&, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&) /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:131:3
#37 0x00005604e92ed941 (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:224:3
#38 0x00005604e92ed941 auto (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0::operator()<mlir::Operation>(mlir::Operation*) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:287:53
#39 0x00005604e92ed941 auto (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_1::operator()<(anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0>((anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0&&, llvm::PointerUnion<mlir::Operation*, mlir::Block*>) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:276:16
#40 0x00005604e92ed941 (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:287:15
#41 0x00005604e92ed941 (anonymous namespace)::OperationVerifier::verifyOpAndDominance(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:81:14
#42 0x00005604e92f224d llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#43 0x00005604e92f224d llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#44 0x00005604e92f224d (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3::operator()(mlir::Operation*) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:225:9
#45 0x00005604e92f224d auto void mlir::parallelForEach<mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&)::'lambda'(mlir::Operation**&&)::operator()<mlir::Operation*&>(mlir::Operation**&&) const /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:120:12
#46 0x00005604e92ed941 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#47 0x00005604e92ed941 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#48 0x00005604e92ed941 llvm::LogicalResult mlir::failableParallelForEach<mlir::Operation**, void mlir::parallelForEach<mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&)::'lambda'(mlir::Operation**&&)>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&) /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:46:11
#49 0x00005604e92ed941 void mlir::parallelForEach<mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, mlir::Operation**, mlir::Operation**, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&) /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:119:9
#50 0x00005604e92ed941 void mlir::parallelForEach<llvm::SmallVector<mlir::Operation*, 6u>&, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3>(mlir::MLIRContext*, llvm::SmallVector<mlir::Operation*, 6u>&, (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&)::$_3&&) /workdir/llvm-project/mlir/include/mlir/IR/Threading.h:131:3
#51 0x00005604e92ed941 (anonymous namespace)::OperationVerifier::verifyOnExit(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:224:3
#52 0x00005604e92ed941 auto (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0::operator()<mlir::Operation>(mlir::Operation*) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:287:53
#53 0x00005604e92ed941 auto (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_1::operator()<(anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0>((anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&)::$_0&&, llvm::PointerUnion<mlir::Operation*, mlir::Block*>) const /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:276:16
#54 0x00005604e92ed941 (anonymous namespace)::OperationVerifier::verifyOperation(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:287:15
#55 0x00005604e92ed941 (anonymous namespace)::OperationVerifier::verifyOpAndDominance(mlir::Operation&) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:81:14
#56 0x00005604e92eb9f3 mlir::verify(mlir::Operation*, bool) /workdir/llvm-project/mlir/lib/IR/Verifier.cpp:426:1
#57 0x00005604f09ddd69 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#58 0x00005604f09ddd69 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#59 0x00005604f09ddd69 (anonymous namespace)::OperationParser::finalize() /workdir/llvm-project/mlir/lib/AsmParser/Parser.cpp:931:48
#60 0x00005604f09ddd69 (anonymous namespace)::TopLevelOperationParser::parse(mlir::Block*, mlir::Location) /workdir/llvm-project/mlir/lib/AsmParser/Parser.cpp:2840:20
#61 0x00005604f09ddd69 mlir::parseAsmSourceFile(llvm::SourceMgr const&, mlir::Block*, mlir::ParserConfig const&, mlir::AsmParserState*, mlir::AsmParserCodeCompleteContext*) /workdir/llvm-project/mlir/lib/AsmParser/Parser.cpp:2894:41
#62 0x00005604e8d461de mlir::parseSourceFile(std::shared_ptr<llvm::SourceMgr> const&, mlir::Block*, mlir::ParserConfig const&, mlir::LocationAttr*) /workdir/llvm-project/mlir/lib/Parser/Parser.cpp:47:1
#63 0x00005604e8d43425 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#64 0x00005604e8d43425 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#65 0x00005604e8d43425 mlir::OwningOpRef<mlir::ModuleOp> mlir::detail::parseSourceFile<mlir::ModuleOp, std::shared_ptr<llvm::SourceMgr> const&>(mlir::ParserConfig const&, std::shared_ptr<llvm::SourceMgr> const&) /workdir/llvm-project/mlir/include/mlir/Parser/Parser.h:159:7
#66 0x00005604e8d42cd8 std::enable_if<__and_<std::__not_<std::__is_tuple_like<mlir::ModuleOp> >, std::is_move_constructible<mlir::ModuleOp>, std::is_move_assignable<mlir::ModuleOp> >::value, void>::type std::swap<mlir::ModuleOp>(mlir::ModuleOp&, mlir::ModuleOp&) /usr/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/move.h:205:11
#67 0x00005604e8d42cd8 mlir::OwningOpRef<mlir::ModuleOp>::release() /workdir/llvm-project/mlir/include/mlir/IR/OwningOpRef.h:69:5
#68 0x00005604e8d42cd8 mlir::OwningOpRef<mlir::ModuleOp>::operator mlir::OwningOpRef<mlir::Operation*>() && /workdir/llvm-project/mlir/include/mlir/IR/OwningOpRef.h:64:51
#69 0x00005604e8d42cd8 mlir::parseSourceFileForTool(std::shared_ptr<llvm::SourceMgr> const&, mlir::ParserConfig const&, bool) /workdir/llvm-project/mlir/include/mlir/Tools/ParseUtilities.h:31:12
#70 0x00005604e8d416ff performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) /workdir/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:0:33
#71 0x00005604e8d40fe4 processBuffer(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::MlirOptMainConfig const&, mlir::DialectRegistry&, llvm::ThreadPoolInterface*) /workdir/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:551:12
#72 0x00005604e8d40fe4 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_3::operator()(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&) const /workdir/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:635:12
#73 0x00005604e8d40fe4 llvm::LogicalResult llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::$_3>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&) /workdir/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:46:12
#74 0x00005604e8f79eac std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >::~unique_ptr() /usr/bin/../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/unique_ptr.h:360:6
#75 0x00005604e8f79eac llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>::operator()(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&) const /workdir/llvm-project/llvm/include/llvm/ADT/STLFunctionalExtras.h:69:5
#76 0x00005604e8f7a4f7 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#77 0x00005604e8f7a4f7 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#78 0x00005604e8f7a4f7 mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0::operator()(llvm::StringRef) const /workdir/llvm-project/mlir/lib/Support/ToolUtilities.cpp:86:9
#79 0x00005604e8f797cb void llvm::interleave<llvm::StringRef const*, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, void llvm::interleave<llvm::SmallVector<llvm::StringRef, 8u>, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::raw_ostream, llvm::StringRef>(llvm::SmallVector<llvm::StringRef, 8u> const&, llvm::raw_ostream&, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::StringRef const&)::'lambda'(), void>(llvm::SmallVector<llvm::StringRef, 8u>, llvm::SmallVector<llvm::StringRef, 8u>, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::raw_ostream) /workdir/llvm-project/llvm/include/llvm/ADT/STLExtras.h:0:3
#80 0x00005604e8f797cb void llvm::interleave<llvm::SmallVector<llvm::StringRef, 8u>, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::raw_ostream, llvm::StringRef>(llvm::SmallVector<llvm::StringRef, 8u> const&, llvm::raw_ostream&, mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef)::$_0, llvm::StringRef const&) /workdir/llvm-project/llvm/include/llvm/ADT/STLExtras.h:2238:3
#81 0x00005604e8f797cb mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::function_ref<llvm::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, llvm::raw_ostream&)>, llvm::raw_ostream&, llvm::StringRef, llvm::StringRef) /workdir/llvm-project/mlir/lib/Support/ToolUtilities.cpp:89:3
#82 0x00005604e8d2fb1d mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) /workdir/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:638:10
#83 0x00005604e8d30405 llvm::LogicalResult::failed() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:43:43
#84 0x00005604e8d30405 llvm::failed(llvm::LogicalResult) /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:71:58
#85 0x00005604e8d30405 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) /workdir/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:679:7
#86 0x00005604e8d30b53 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) /workdir/llvm-project/mlir/lib/Tools/mlir-opt/MlirOptMain.cpp:695:10
#87 0x00005604dec64987 llvm::LogicalResult::succeeded() const /workdir/llvm-project/llvm/include/llvm/Support/LogicalResult.h:40:45
#88 0x00005604dec64987 mlir::asMainReturnCode(llvm::LogicalResult) /workdir/llvm-project/mlir/include/mlir/Tools/mlir-opt/MlirOptMain.h:355:12
#89 0x00005604dec64987 main /workdir/llvm-project/mlir/tools/mlir-opt/mlir-opt.cpp:339:10
#90 0x00007f51587ffd90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#91 0x00007f51587ffe40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#92 0x00005604deba3ee5 _start (/workdir/llvm-project/build/bin/mlir-opt+0xf5b5ee5)
Aborted (core dumped)
```


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[MLIR] Assertion failure in scf::ForOp::getRegionIterArgs() with malformed scf.for #159737

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[MLIR] Assertion failure in scf::ForOp::getRegionIterArgs() with malformed scf.for #159737

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