Make all the 'redefinition' diagnostics more consistent, and make the 
"previously defined here" diagnostics all notes.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59920 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/alias-test-1.m b/test/SemaObjC/alias-test-1.m
index fdaccf3..377f62f 100644
--- a/test/SemaObjC/alias-test-1.m
+++ b/test/SemaObjC/alias-test-1.m
@@ -2,7 +2,7 @@
 
 @compatibility_alias alias4 foo; // expected-warning {{cannot find interface declaration for 'foo'}}
 
-@class class2; // expected-error {{previous declaration is here}}
+@class class2; // expected-note {{previous declaration is here}}
 @class class3;
 
 typedef int I;  // expected-warning {{previous declaration is here}}
@@ -13,7 +13,7 @@
 @compatibility_alias alias class3;   // expected-error {{conflicting types for alias 'alias'}}
 
 
-typedef int alias2;	// expected-error {{previous declaration is here}}
+typedef int alias2;	// expected-note {{previous declaration is here}}
 @compatibility_alias alias2 class3;  // expected-error {{conflicting types for alias 'alias2'}}
 
 alias *p;