Hack in a loud error for PR12086. Better than a silent miscompile.
llvm-svn: 151586
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 @@
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,