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author | Sebastian Redl <sebastian.redl@getdesigned.at> | 2012-02-27 23:20:01 +0000 |
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committer | Sebastian Redl <sebastian.redl@getdesigned.at> | 2012-02-27 23:20:01 +0000 |
commit | 062a82cdfab01d95f7fa3d759342e6f2ee5c51b0 (patch) | |
tree | 0bd386014c282947f23b612de02bc33624de2bac /lib | |
parent | c1b66e6003262b284937b542aa159a0c79619ff4 (diff) | |
download | clang-062a82cdfab01d95f7fa3d759342e6f2ee5c51b0.tar.gz clang-062a82cdfab01d95f7fa3d759342e6f2ee5c51b0.tar.bz2 clang-062a82cdfab01d95f7fa3d759342e6f2ee5c51b0.tar.xz |
Hack in a loud error for PR12086. Better than a silent miscompile.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151586 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/CodeGenModule.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp index ddd04a427c..a3a71b7e52 100644 --- a/lib/CodeGen/CodeGenModule.cpp +++ b/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<InitListExpr>(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, |