[clang] Make sure codecompletion is called for calls even when inside a token.

Summary:
Currently CodeCompleteCall only gets called after a comma or parantheses. This
patch makes sure it is called even at the cases like:
```foo(1^);```

Reviewers: ilya-biryukov, ioeric, hokein

Reviewed By: ilya-biryukov

Subscribers: MaskRay, jkorous, arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D51038

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@341824 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/Parse/ParseOpenMP.cpp b/lib/Parse/ParseOpenMP.cpp
index 4da357bbbc..9871e5bbf9 100644
--- a/lib/Parse/ParseOpenMP.cpp
+++ b/lib/Parse/ParseOpenMP.cpp
@@ -422,8 +422,15 @@ void Parser::ParseOpenMPReductionInitializerForDecl(VarDecl *OmpPrivParm) {
                   getCurScope(),
                   OmpPrivParm->getType()->getCanonicalTypeInternal(),
                   OmpPrivParm->getLocation(), Exprs, LParLoc);
+              CalledSignatureHelp = true;
               Actions.CodeCompleteExpression(getCurScope(), PreferredType);
             })) {
+      if (PP.isCodeCompletionReached() && !CalledSignatureHelp) {
+        Actions.ProduceConstructorSignatureHelp(
+            getCurScope(), OmpPrivParm->getType()->getCanonicalTypeInternal(),
+            OmpPrivParm->getLocation(), Exprs, LParLoc);
+        CalledSignatureHelp = true;
+      }
       Actions.ActOnInitializerError(OmpPrivParm);
       SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch);
     } else {