From 565b9633ee68b311c1a954022869d9e99fee7286 Mon Sep 17 00:00:00 2001 From: serge-sans-paille Date: Fri, 1 Feb 2019 06:39:13 +0000 Subject: [PATCH] Fix uninitialized value in ABIArgInfo GCC-9 takes advantage of this uninitialized values to optimize stuff, which ends up in failing validation when compiling clang. --- include/clang/CodeGen/CGFunctionInfo.h | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/include/clang/CodeGen/CGFunctionInfo.h b/include/clang/CodeGen/CGFunctionInfo.h index cf64e9f3ee..131eb38393 100644 --- a/include/clang/CodeGen/CGFunctionInfo.h +++ b/include/clang/CodeGen/CGFunctionInfo.h @@ -112,14 +112,13 @@ private: } ABIArgInfo(Kind K) - : TheKind(K), PaddingInReg(false), InReg(false), SuppressSRet(false) { - } + : TypeData(nullptr), PaddingType(nullptr), DirectOffset(0), + TheKind(K), PaddingInReg(false), InAllocaSRet(false), IndirectByVal(false), + IndirectRealign(false), SRetAfterThis(false), InReg(false), + CanBeFlattened(false), SignExt(false), SuppressSRet(false) {} public: - ABIArgInfo() - : TypeData(nullptr), PaddingType(nullptr), DirectOffset(0), - TheKind(Direct), PaddingInReg(false), InReg(false), - SuppressSRet(false) {} + ABIArgInfo() : ABIArgInfo(Direct) {} static ABIArgInfo getDirect(llvm::Type *T = nullptr, unsigned Offset = 0, llvm::Type *Padding = nullptr, -- 2.19.2