Handle lambdas where the lambda-declarator is an explicit "(void)". PR13854.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164274 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaLambda.cpp b/lib/Sema/SemaLambda.cpp
index 489c895..15cd2a7 100644
--- a/lib/Sema/SemaLambda.cpp
+++ b/lib/Sema/SemaLambda.cpp
@@ -410,9 +410,15 @@
= MethodTyInfo->getType()->getAs<FunctionType>()->getResultType()
!= Context.DependentTy;
- Params.reserve(FTI.NumArgs);
- for (unsigned i = 0, e = FTI.NumArgs; i != e; ++i)
- Params.push_back(cast<ParmVarDecl>(FTI.ArgInfo[i].Param));
+ if (FTI.NumArgs == 1 && !FTI.isVariadic && FTI.ArgInfo[0].Ident == 0 &&
+ cast<ParmVarDecl>(FTI.ArgInfo[0].Param)->getType()->isVoidType()) {
+ // Empty arg list, don't push any params.
+ checkVoidParamDecl(cast<ParmVarDecl>(FTI.ArgInfo[0].Param));
+ } else {
+ Params.reserve(FTI.NumArgs);
+ for (unsigned i = 0, e = FTI.NumArgs; i != e; ++i)
+ Params.push_back(cast<ParmVarDecl>(FTI.ArgInfo[i].Param));
+ }
// Check for unexpanded parameter packs in the method type.
if (MethodTyInfo->getType()->containsUnexpandedParameterPack())