Improve the error message slightly for files that aren't using the expected UTF-8 encoding.  Patch by Seth Cantrell.

llvm-svn: 148991
diff --git a/clang/test/Lexer/char-literal-encoding-error.c b/clang/test/Lexer/char-literal-encoding-error.c
index 08f9a50..833ffca 100644
--- a/clang/test/Lexer/char-literal-encoding-error.c
+++ b/clang/test/Lexer/char-literal-encoding-error.c
@@ -3,8 +3,8 @@
 // This file is encoded using ISO-8859-1
 
 int main() {
-  'é'; // expected-error {{illegal sequence in character literal}}
-  u'é'; // expected-error {{illegal sequence in character literal}}
-  U'é'; // expected-error {{illegal sequence in character literal}}
-  L'é'; // expected-error {{illegal sequence in character literal}}
+  'é'; // expected-error {{illegal character encoding in character literal}}
+  u'é'; // expected-error {{illegal character encoding in character literal}}
+  U'é'; // expected-error {{illegal character encoding in character literal}}
+  L'é'; // expected-error {{illegal character encoding in character literal}}
 }