Clang patch: [Mips] Correctly define IntPtrType

llvm/llvm-project#145158

Author: hpoussin

README.md

@@ -24,6 +24,7 @@ For other versions, check the git tags of this repository.
  * LLVM: Fix `Triple::isTargetEHABICompatible()` for NetBSD
  * Clang: Ignore the examples directory
  * Clang: Disable building of libclang-cpp.so.
+ * Clang: Correctly define `IntPtrType` for MIPS
  * LLD: Added additional include directory to Zig's libunwind.
  * LLD: Respect `LLD_BUILD_TOOLS=OFF`
  * LLD: Skip building docs

clang/lib/Basic/Targets/Mips.h

@@ -129,7 +129,7 @@ class LLVM_LIBRARY_VISIBILITY MipsTargetInfo : public TargetInfo {
     LongWidth = LongAlign = 32;
     MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
     PointerWidth = PointerAlign = 32;
-    PtrDiffType = SignedInt;
+    PtrDiffType = IntPtrType = SignedInt;
     SizeType = UnsignedInt;
     SuitableAlign = 64;
   }
@@ -155,7 +155,7 @@ class LLVM_LIBRARY_VISIBILITY MipsTargetInfo : public TargetInfo {
     IntMaxType = Int64Type;
     LongWidth = LongAlign = 64;
     PointerWidth = PointerAlign = 64;
-    PtrDiffType = SignedLong;
+    PtrDiffType = IntPtrType = SignedLong;
     SizeType = UnsignedLong;
   }
 
@@ -165,7 +165,7 @@ class LLVM_LIBRARY_VISIBILITY MipsTargetInfo : public TargetInfo {
     IntMaxType = Int64Type;
     LongWidth = LongAlign = 32;
     PointerWidth = PointerAlign = 32;
-    PtrDiffType = SignedInt;
+    PtrDiffType = IntPtrType = SignedInt;
     SizeType = UnsignedInt;
   }