From a235e2d8ad338410e3c9f5d732e4357953e3d82e Mon Sep 17 00:00:00 2001 From: Sebastian Redl Date: Mon, 27 Feb 2012 23:20:01 +0000 Subject: Hack in a loud error for PR12086. Better than a silent miscompile. llvm-svn: 151586 --- clang/lib/CodeGen/CodeGenModule.cpp | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'clang/lib/CodeGen/CodeGenModule.cpp') diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index ddd04a4..a3a71b7 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -1376,8 +1376,19 @@ CodeGenModule::MaybeEmitGlobalStdInitializerListInitializer(const VarDecl *D, return 0; ASTContext &ctx = getContext(); - // Synthesize a fake VarDecl for the array and initialize that. unsigned numInits = init->getNumInits(); + // FIXME: This check is here because we would otherwise silently miscompile + // nested global std::initializer_lists. Better would be to have a real + // implementation. + for (unsigned i = 0; i < numInits; ++i) { + const InitListExpr *inner = dyn_cast(init->getInit(i)); + if (inner && inner->initializesStdInitializerList()) { + ErrorUnsupported(inner, "nested global std::initializer_list"); + return 0; + } + } + + // Synthesize a fake VarDecl for the array and initialize that. QualType elementType = init->getInit(0)->getType(); llvm::APInt numElements(ctx.getTypeSize(ctx.getSizeType()), numInits); QualType arrayType = ctx.getConstantArrayType(elementType, numElements, -- cgit v1.1