[analyzer] IdenticalExpr: use getBytes rather than getString to compare string literals.

PR20693. Patch by Anders Rönnholm.

llvm-svn: 216075

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/test/Analysis/identical-expressions.cpp b/clang/test/Analysis/identical-expressions.cpp
index 85e3322002d..3c8040aed8b 100644
--- a/clang/test/Analysis/identical-expressions.cpp
+++ b/clang/test/Analysis/identical-expressions.cpp
@@ -1511,3 +1511,10 @@ void test_nowarn_chained_if_stmts_3(int x) {
   else if (x++) // no-warning
     ;
 }
+
+void test_warn_wchar() {
+  const wchar_t * a = 0 ? L"Warning" : L"Warning"; // expected-warning {{identical expressions on both sides of ':' in conditional expression}}
+}
+void test_nowarn_wchar() {
+  const wchar_t * a = 0 ? L"No" : L"Warning";
+}