r366200 - [SemaTemplate] Fix uncorrected typos after pack expansion

[Sam McCall via cfe-commits]

Author: sammccall
Date: Tue Jul 16 03:30:21 2019
New Revision: 366200

URL: http://llvm.org/viewvc/llvm-project?rev=366200&view=rev
Log:
[SemaTemplate] Fix uncorrected typos after pack expansion

Summary:
This case is particularly important for clangd, as it is triggered after
inserting the snippet for variadic functions.

Reviewers: kadircet, ilya-biryukov

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64677

Added:
    cfe/trunk/test/SemaTemplate/typo-variadic.cpp
Modified:
    cfe/trunk/lib/Sema/SemaTemplateVariadic.cpp

Modified: cfe/trunk/lib/Sema/SemaTemplateVariadic.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaTemplateVariadic.cpp?rev=366200&r1=366199&r2=366200&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaTemplateVariadic.cpp (original)
+++ cfe/trunk/lib/Sema/SemaTemplateVariadic.cpp Tue Jul 16 03:30:21 2019
@@ -619,6 +619,7 @@ ExprResult Sema::CheckPackExpansion(Expr
   if (!Pattern->containsUnexpandedParameterPack()) {
     Diag(EllipsisLoc, diag::err_pack_expansion_without_parameter_packs)
     << Pattern->getSourceRange();
+    CorrectDelayedTyposInExpr(Pattern);
     return ExprError();
   }
 

Added: cfe/trunk/test/SemaTemplate/typo-variadic.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaTemplate/typo-variadic.cpp?rev=366200&view=auto
==============================================================================
--- cfe/trunk/test/SemaTemplate/typo-variadic.cpp (added)
+++ cfe/trunk/test/SemaTemplate/typo-variadic.cpp Tue Jul 16 03:30:21 2019
@@ -0,0 +1,2 @@
+// RUN: %clang_cc1 -fsyntax-only %s -verify
+int x = m(s...); // expected-error{{pack expansion does not}} expected-error{{undeclared identifier}}