make -Wtypedef-redefinition an extwarn instead of defaulting
to error, doing this breaks too many programs (e.g. Adium).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70170 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/line-directive.c b/test/Preprocessor/line-directive.c
index a9ed4bc..53e9ab7 100644
--- a/test/Preprocessor/line-directive.c
+++ b/test/Preprocessor/line-directive.c
@@ -41,7 +41,7 @@
 
 # 192 "glomp.h" // not a system header.
 typedef int x;  // expected-note {{previous definition is here}}
-typedef int x;  // expected-error {{redefinition of typedef 'x' is invalid in C}}
+typedef int x;  // expected-warning {{redefinition of typedef 'x' is invalid in C}}
 
 # 192 "glomp.h" 3 // System header.
 typedef int y;  // ok
@@ -60,7 +60,7 @@
 # 42 "blonk.h"  // DOES change system headerness.
 
 typedef int w;  // expected-note {{previous definition is here}}
-typedef int w;  // expected-error {{redefinition of typedef 'w' is invalid in C}}
+typedef int w;  // expected-warning {{redefinition of typedef 'w' is invalid in C}}
 
 
 // This should not produce an "extra tokens at end of #line directive" warning,