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| author | Timm Baeder <tbaeder@redhat.com> | 2025-07-01 20:37:09 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-01 20:37:09 +0200 |
| commit | b54e02a40b3c99e205ece39ac7fe1c5168ed2c9b (patch) | |
| tree | d26fb99f3a873322a2ab571093b3c2ac86c8425e /clang/lib/AST/ByteCode | |
| parent | 8dbfe83681ed2066b3591be24c4a566b87177d12 (diff) | |
| download | llvm-b54e02a40b3c99e205ece39ac7fe1c5168ed2c9b.zip llvm-b54e02a40b3c99e205ece39ac7fe1c5168ed2c9b.tar.gz llvm-b54e02a40b3c99e205ece39ac7fe1c5168ed2c9b.tar.bz2 | |
[clang][bytecode] Check pointer data type for bitcast eligibility (#146552)
So we get the proper type for a heap-allocated value.
Diffstat (limited to 'clang/lib/AST/ByteCode')
| -rw-r--r-- | clang/lib/AST/ByteCode/InterpBuiltinBitCast.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/clang/lib/AST/ByteCode/InterpBuiltinBitCast.cpp b/clang/lib/AST/ByteCode/InterpBuiltinBitCast.cpp index 2569cac..feac97d 100644 --- a/clang/lib/AST/ByteCode/InterpBuiltinBitCast.cpp +++ b/clang/lib/AST/ByteCode/InterpBuiltinBitCast.cpp @@ -335,7 +335,8 @@ bool clang::interp::DoBitCast(InterpState &S, CodePtr OpPC, const Pointer &Ptr, BitcastBuffer Buffer(FullBitWidth); size_t BuffSize = FullBitWidth.roundToBytes(); - if (!CheckBitcastType(S, OpPC, Ptr.getType(), /*IsToType=*/false)) + QualType DataType = Ptr.getFieldDesc()->getDataType(S.getASTContext()); + if (!CheckBitcastType(S, OpPC, DataType, /*IsToType=*/false)) return false; bool Success = readPointerToBuffer(S.getContext(), Ptr, Buffer, @@ -370,8 +371,8 @@ bool clang::interp::DoBitCastPtr(InterpState &S, CodePtr OpPC, assert(FromPtr.isBlockPointer()); assert(ToPtr.isBlockPointer()); - QualType FromType = FromPtr.getType(); - QualType ToType = ToPtr.getType(); + QualType FromType = FromPtr.getFieldDesc()->getDataType(S.getASTContext()); + QualType ToType = ToPtr.getFieldDesc()->getDataType(S.getASTContext()); if (!CheckBitcastType(S, OpPC, ToType, /*IsToType=*/true)) return false; |