[clang] use ArrayTypeTraitExpr::getType as value type

Fixed: #113044

Author: HerrCai0907

clang/docs/ReleaseNotes.rst

@@ -374,6 +374,7 @@ Bug Fixes in This Version
 - Fixed a crash when trying to transform a dependent address space type. Fixes #GH101685.
 - Fixed a crash when diagnosing format strings and encountering an empty
   delimited escape sequence (e.g., ``"\o{}"``). #GH102218
+- Fixed a crash when the result of ``__array_rank`` is used as operand for bit operation. (#GH113044).
 
 Bug Fixes to Compiler Builtins
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

clang/lib/CodeGen/CGExprScalar.cpp

@@ -718,7 +718,7 @@ class ScalarExprEmitter
   }
 
   Value *VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *E) {
-    return llvm::ConstantInt::get(Builder.getInt32Ty(), E->getValue());
+    return llvm::ConstantInt::get(ConvertType(E->getType()), E->getValue());
   }
 
   Value *VisitExpressionTraitExpr(const ExpressionTraitExpr *E) {

clang/test/CodeGen/builtins-array-rank.cpp

@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -triple aarch64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
+
+unsigned long array_rank_binary_operator(void) {
+  // CHECK: ret i64 3
+  return __array_rank(int[10]) | 2;
+}