[SemaTemplate] Detect instantiation of unparsed exceptions.

This fixes the clang crash reported in PR24000. Differential Revision: http://reviews.llvm.org/D11341 llvm-svn: 243196
2015-07-25 01:19:32 +00:00
parent 28df04211c
commit 922b702bf9
2 changed files with 24 additions and 1 deletions
--- a/clang/lib/Sema/SemaExceptionSpec.cpp
+++ b/clang/lib/Sema/SemaExceptionSpec.cpp
@@ -161,7 +161,13 @@ Sema::ResolveExceptionSpec(SourceLocation Loc, const FunctionProtoType *FPT) {
  else
    InstantiateExceptionSpec(Loc, SourceDecl);

-  return SourceDecl->getType()->castAs<FunctionProtoType>();
+  const FunctionProtoType *Proto =
+    SourceDecl->getType()->castAs<FunctionProtoType>();
+  if (Proto->getExceptionSpecType() == clang::EST_Unparsed) {
+    Diag(Loc, diag::err_exception_spec_not_parsed);
+    Proto = nullptr;
+  }
+  return Proto;
 }

 void