https://github.com/amane-ame created https://github.com/llvm/llvm-project/pull/119563
Closes #119360. From 659eda3ec76b63418f8b621b004728d9d7bf26ad Mon Sep 17 00:00:00 2001 From: amane-ame <i...@amane-a.me> Date: Wed, 11 Dec 2024 22:17:51 +0800 Subject: [PATCH] [clang] Fix crashes when passing VLA to va_arg --- clang/lib/CodeGen/CGExprAgg.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp index 2ad6587089f101..a4111cb65c8b1c 100644 --- a/clang/lib/CodeGen/CGExprAgg.cpp +++ b/clang/lib/CodeGen/CGExprAgg.cpp @@ -2201,6 +2201,8 @@ void CodeGenFunction::EmitAggregateCopy(LValue Dest, LValue Src, QualType Ty, // But note that getTypeInfo returns 0 for a VLA. if (auto *VAT = dyn_cast_or_null<VariableArrayType>( getContext().getAsArrayType(Ty))) { + assert(Ty->isVariableArrayType()); + EmitVariablyModifiedType(Ty); QualType BaseEltTy; SizeVal = emitArrayLength(VAT, BaseEltTy, DestPtr); TypeInfo = getContext().getTypeInfoInChars(BaseEltTy); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits