[code-completion] Fix crash when trying to do postfix completion of instance member inside a static function.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@292052 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 3 deletions

diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index e7b6c6ff90..ee06c76f60 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -1652,9 +1652,10 @@ Parser::ParsePostfixExpressionSuffix(ExprResult LHS) {
 
       if (Tok.is(tok::code_completion)) {
         // Code completion for a member access expression.
-        Actions.CodeCompleteMemberReferenceExpr(
-            getCurScope(), LHS.get(), OpLoc, OpKind == tok::arrow,
-            ExprStatementTokLoc == LHS.get()->getLocStart());
+        if (Expr *Base = LHS.get())
+          Actions.CodeCompleteMemberReferenceExpr(
+              getCurScope(), Base, OpLoc, OpKind == tok::arrow,
+              ExprStatementTokLoc == Base->getLocStart());
 
         cutOffParsing();
         return ExprError();