Reverted 305379 (Function with unparsed body is a definition)

It broke clang-x86_64-linux-selfhost-modules-2 and some other buildbots.

llvm-svn: 305381

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaCUDA.cpp b/clang/lib/Sema/SemaCUDA.cpp
index cac5f682275..b938ac387c4 100644
--- a/clang/lib/Sema/SemaCUDA.cpp
+++ b/clang/lib/Sema/SemaCUDA.cpp
@@ -629,6 +629,12 @@ static bool IsKnownEmitted(Sema &S, FunctionDecl *FD) {
   // emitted, because (say) the definition could include "inline".
   FunctionDecl *Def = FD->getDefinition();
 
+  // We may currently be parsing the body of FD, in which case
+  // FD->getDefinition() will be null, but we still want to treat FD as though
+  // it's a definition.
+  if (!Def && FD->willHaveBody())
+    Def = FD;
+
   if (Def &&
       !isDiscardableGVALinkage(S.getASTContext().GetGVALinkageForFunction(Def)))
     return true;