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Disable the "'extern' variable has an initializer" warning in C++, 

since it makes sense there to have const extern variables. Fixes
PR6495.

llvm-svn: 101818
This commit is contained in:
Douglas Gregor 2010-04-19 21:31:25 +00:00
parent 777346e749
commit c81ca09830
2 changed files with 4 additions and 1 deletions
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3
clang/lib/Sema/SemaDecl.cpp
View File

@ -3818,7 +3818,8 @@ void Sema::AddInitializerToDecl(DeclPtrTy dcl, ExprArg init, bool DirectInit) {
}
}
} else if (VDecl->isFileVarDecl()) {
if (VDecl->getStorageClass() == VarDecl::Extern)
if (VDecl->getStorageClass() == VarDecl::Extern &&
!getLangOptions().CPlusPlus)
Diag(VDecl->getLocation(), diag::warn_extern_init);
if (!VDecl->isInvalidDecl()) {
InitializationSequence InitSeq(*this, Entity, Kind, &Init, 1);

2
clang/test/SemaCXX/storage-class.cpp Normal file
View File

@ -0,0 +1,2 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
extern const int PR6495 = 42;