Don't warn about functions redeclared without the dllimport attribute when

-fms-extensions is enabled.  Fixes <rdar://problem/7669559>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96721 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 847602d802..78bb2ae9b3 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -4136,7 +4136,11 @@ Sema::DeclPtrTy Sema::ActOnStartOfFunctionDef(Scope *FnBodyScope, DeclPtrTy D) {
         << "dllimport";
       FD->setInvalidDecl();
       return DeclPtrTy::make(FD);
-    } else {
+    }
+
+    // Visual C++ appears to not think this is an issue, so only issue
+    // a warning when Microsoft extensions are disabled.
+    if (!LangOpts.Microsoft) {
       // If a symbol previously declared dllimport is later defined, the
       // attribute is ignored in subsequent references, and a warning is
       // emitted.