Fix order of evaluation bug in DynTypedMatcher::constructVariadic().

Fix order of evaluation bug in DynTypedMatcher::constructVariadic().
If it evaluates right-to-left, the vector gets moved before we read the
kind from it.

llvm-svn: 219624

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/ASTMatchers/ASTMatchersInternal.cpp b/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
index c8e5852475c..9d77cb65767 100644
--- a/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
+++ b/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
@@ -99,8 +99,8 @@ DynTypedMatcher DynTypedMatcher::constructVariadic(
   // The different operators might deal differently with a mismatch.
   // Make it the same as SupportedKind, since that is the broadest type we are
   // allowed to accept.
-  return DynTypedMatcher(InnerMatchers[0].SupportedKind,
-                         InnerMatchers[0].SupportedKind,
+  auto SupportedKind = InnerMatchers[0].SupportedKind;
+  return DynTypedMatcher(SupportedKind, SupportedKind,
                          new VariadicMatcher(Func, std::move(InnerMatchers)));
 }