Implement warning for non-wide string literals with an unexpected encoding.  Downgrade error for non-wide character literals with an unexpected encoding to a warning for compatibility with gcc and older versions of clang.  <rdar://problem/10837678>.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150295 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Lexer/string-literal-encoding.c b/test/Lexer/string-literal-encoding.c
index b12cfab..aa7cb73 100644
--- a/test/Lexer/string-literal-encoding.c
+++ b/test/Lexer/string-literal-encoding.c
@@ -12,4 +12,7 @@
     wchar_t const *d = LR"(Àéîõü)"; // expected-error {{illegal character encoding in string literal}}
     char16_t const *e = uR"(Àéîõü)"; // expected-error {{illegal character encoding in string literal}}
     char32_t const *f = UR"(Àéîõü)"; // expected-error {{illegal character encoding in string literal}}
+
+    char const *g = "Àéîõü"; // expected-warning {{illegal character encoding in string literal}}
+    char const *h = u8"Àéîõü"; // expected-error {{illegal character encoding in string literal}}
 }