diff --git a/test/FrontendC/2003-08-21-WideString.c b/test/FrontendC/2003-08-21-WideString.c
index ae0783eaadd..75ff557a3d3 100644
--- a/test/FrontendC/2003-08-21-WideString.c
+++ b/test/FrontendC/2003-08-21-WideString.c
@@ -1,6 +1,6 @@
 // RUN: %llvmgcc -S %s -o - | llvm-as -f -o /dev/null
 // XFAIL: *
-// See PR2425
+// See PR2452
 
 struct {
   int *name;
diff --git a/test/FrontendC/2004-02-13-IllegalVararg.c b/test/FrontendC/2004-02-13-IllegalVararg.c
index 06073305e09..21039c6b0fa 100644
--- a/test/FrontendC/2004-02-13-IllegalVararg.c
+++ b/test/FrontendC/2004-02-13-IllegalVararg.c
@@ -1,6 +1,6 @@
 // RUN: %llvmgcc -xc %s -w -c -o - | llc
 // XFAIL: *
-// See PR2425
+// See PR2452
 
 #include <stdarg.h>
 
diff --git a/test/FrontendC/2006-09-18-fwrite-cast-crash.c b/test/FrontendC/2006-09-18-fwrite-cast-crash.c
index fa64999fbdb..a693c5666f2 100644
--- a/test/FrontendC/2006-09-18-fwrite-cast-crash.c
+++ b/test/FrontendC/2006-09-18-fwrite-cast-crash.c
@@ -1,7 +1,7 @@
 // RUN: %llvmgcc %s -S -o /dev/null
 // PR910
 // XFAIL: *
-// See PR2425
+// See PR2452
 
 struct l_struct_2E_FILE { char x; };
 unsigned fwrite(signed char *, unsigned , unsigned , signed char *);
diff --git a/test/FrontendC/2007-09-05-ConstCtor.c b/test/FrontendC/2007-09-05-ConstCtor.c
index 0b06cc8dc48..6d9fbd5c14b 100644
--- a/test/FrontendC/2007-09-05-ConstCtor.c
+++ b/test/FrontendC/2007-09-05-ConstCtor.c
@@ -1,7 +1,7 @@
 // RUN: %llvmgcc -xc -Os -c %s -o /dev/null
 // PR1641
 // XFAIL: *
-// See PR2425
+// See PR2452
 
 struct A {
   unsigned long l;
diff --git a/test/FrontendC/2007-09-28-PackedUnionMember.c b/test/FrontendC/2007-09-28-PackedUnionMember.c
index be244d5d4e4..4f543de09c7 100644
--- a/test/FrontendC/2007-09-28-PackedUnionMember.c
+++ b/test/FrontendC/2007-09-28-PackedUnionMember.c
@@ -1,6 +1,6 @@
 // RUN: %llvmgcc %s -S -o -
 // XFAIL: *
-// See PR2425
+// See PR2452
 
 #pragma pack(push, 2)
 struct H {