diff --git a/test/SemaObjC/builtin_objc_msgSend.m b/test/SemaObjC/builtin_objc_msgSend.m
index 7530d90..bf17225 100644
--- a/test/SemaObjC/builtin_objc_msgSend.m
+++ b/test/SemaObjC/builtin_objc_msgSend.m
@@ -1,3 +1,3 @@
 // RUN: %clang_cc1 %s -fsyntax-only -verify
-// rdar: // 8632525
+// rdar://8632525
 extern id objc_msgSend(id self, SEL op, ...);
diff --git a/test/SemaObjC/compare-qualified-class.m b/test/SemaObjC/compare-qualified-class.m
index cb2b26a..0f415b6 100644
--- a/test/SemaObjC/compare-qualified-class.m
+++ b/test/SemaObjC/compare-qualified-class.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
-// rdar:// 8191774
+// rdar://8191774
 
 @protocol SomeProtocol
 @end
diff --git a/test/SemaObjC/conflict-nonfragile-abi2.m b/test/SemaObjC/conflict-nonfragile-abi2.m
index e4b513f..86947cf 100644
--- a/test/SemaObjC/conflict-nonfragile-abi2.m
+++ b/test/SemaObjC/conflict-nonfragile-abi2.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fobjc-nonfragile-abi -verify -fsyntax-only %s
-// rdar : // 8225011
+// rdar://8225011
 
 int glob; // expected-note {{global variable declared here}}
 
@@ -15,7 +15,7 @@
 @implementation I
 - (int) Meth { return glob; } // expected-warning {{when default property synthesis is on, 'glob' lookup will access}}
 @synthesize glob;
-// rdar: // 8248681
+// rdar://8248681
 - (int) Meth1: (int) p {
   extern int le;
   int l = 1;
diff --git a/test/SemaObjC/default-synthesize.m b/test/SemaObjC/default-synthesize.m
index 0586dae..be3ef08 100644
--- a/test/SemaObjC/default-synthesize.m
+++ b/test/SemaObjC/default-synthesize.m
@@ -94,7 +94,7 @@
 
 @implementation SubClass @end 
 
-// rdar: // 7920807
+// rdar://7920807
 @interface C @end
 @interface C (Category)
 @property int p; // expected-warning {{property 'p' requires method 'p' to be defined }} \
diff --git a/test/SemaObjC/iboutletcollection-attr.m b/test/SemaObjC/iboutletcollection-attr.m
index fb64e3a..217daa7 100644
--- a/test/SemaObjC/iboutletcollection-attr.m
+++ b/test/SemaObjC/iboutletcollection-attr.m
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
 // RUN: %clang_cc1 -x objective-c++ -fsyntax-only -verify %s
-// rdar: // 8308053
+// rdar://8308053
 
 @interface I {
     __attribute__((iboutletcollection(I))) id ivar1;
diff --git a/test/SemaObjC/ivar-in-class-extension-error.m b/test/SemaObjC/ivar-in-class-extension-error.m
index 6e0b577..23a7491 100644
--- a/test/SemaObjC/ivar-in-class-extension-error.m
+++ b/test/SemaObjC/ivar-in-class-extension-error.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1  -fsyntax-only -verify %s
-// rdar:// 6812436
+// rdar://6812436
 
 @interface A @end
 
diff --git a/test/SemaObjC/method-sentinel-attr.m b/test/SemaObjC/method-sentinel-attr.m
index 6ec362f..5375408 100644
--- a/test/SemaObjC/method-sentinel-attr.m
+++ b/test/SemaObjC/method-sentinel-attr.m
@@ -16,7 +16,7 @@
 - (void) foo11 : (int)x, ... __attribute__ ((__sentinel__(1,1,3)));  // expected-error {{attribute requires 0, 1 or 2 argument(s)}}
 - (void) foo12 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}}
 
-// rdar:// 7975788
+// rdar://7975788
 - (id) foo13 : (id)firstObj, ... __attribute__((sentinel(0,1)));
 - (id) foo14 : (id)firstObj :  (Class)secondObj, ... __attribute__((sentinel(0,1)));
 - (id) foo15 : (id*)firstObj, ... __attribute__((sentinel(0,1)));
@@ -40,7 +40,7 @@
 
   [p foo12:1]; // expected-warning {{not enough variable arguments in 'foo12:' declaration to fit a sentinel}}
 
-  // rdar:// 7975788
+  // rdar://7975788
   [ p foo13 : NULL]; 
   [ p foo14 : 0 : NULL]; 
   [ p foo16 : NULL]; 
diff --git a/test/SemaObjC/property-in-class-extension.m b/test/SemaObjC/property-in-class-extension.m
index 3f252d0..af68a43 100644
--- a/test/SemaObjC/property-in-class-extension.m
+++ b/test/SemaObjC/property-in-class-extension.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1  -fsyntax-only -verify %s
-// rdar: // 7766184
+// rdar://7766184
 
 @interface Foo @end
 
diff --git a/test/SemaObjC/setter-dotsyntax.m b/test/SemaObjC/setter-dotsyntax.m
index 1097464..e0b51e8 100644
--- a/test/SemaObjC/setter-dotsyntax.m
+++ b/test/SemaObjC/setter-dotsyntax.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
-// rdar: //8528170
+// rdar://8528170
 
 @interface NSObject @end
 
diff --git a/test/SemaObjC/super-class-protocol-conformance.m b/test/SemaObjC/super-class-protocol-conformance.m
index f555c32..bf19c83 100644
--- a/test/SemaObjC/super-class-protocol-conformance.m
+++ b/test/SemaObjC/super-class-protocol-conformance.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
-// rdar: // 7884086
+// rdar://7884086
 
 @interface NSObject @end
 
diff --git a/test/SemaObjC/synthesized-ivar.m b/test/SemaObjC/synthesized-ivar.m
index 58bcf40..01e51ef 100644
--- a/test/SemaObjC/synthesized-ivar.m
+++ b/test/SemaObjC/synthesized-ivar.m
@@ -12,5 +12,5 @@
 }
 @end
 
-// rdar: // 7823675
+// rdar://7823675
 int f0(I *a) { return a->IP; } // expected-error {{instance variable 'IP' is protected}}
diff --git a/test/SemaObjC/warn-incompatible-builtin-types.m b/test/SemaObjC/warn-incompatible-builtin-types.m
index 79c8cea..fd4fb7d 100644
--- a/test/SemaObjC/warn-incompatible-builtin-types.m
+++ b/test/SemaObjC/warn-incompatible-builtin-types.m
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
-// rdar 7634850
+// rdar://7634850
 
 @interface Foo
 - (void)foo:(Class)class; // expected-note{{passing argument to parameter 'class' here}}