diff --git a/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp b/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp
index 33fe836..6c84396 100644
--- a/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp
+++ b/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-variable.cpp
@@ -1,7 +1,7 @@
-// R1UN: %clang -x c   -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
-// R1UN: %clang -x c   -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
-// R1UN: %clang -x c   -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
-// R1UN: %clang -x c   -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
+// RUN: %clang -x c   -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
+// RUN: %clang -x c   -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
+// RUN: %clang -x c   -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
+// RUN: %clang -x c   -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK-UB-C
 
 // RUN: %clang -x c++ -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK
 // RUN: %clang -x c++ -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="error:" --check-prefix=CHECK
@@ -42,13 +42,13 @@
   offset = argc - 1;
   (void)getelementpointer_inbounds_v0(base, offset);
   // CHECK-UB: {{.*}}.cpp:[[@LINE-17]]:15: runtime error: applying non-zero offset 1 to null pointer
-  // CHECK-UB-C: {{.*}}.cpp:[[@LINE-17]]:15: runtime error: applying offset to null pointer
+  // CHECK-UB-C: {{.*}}.cpp:[[@LINE-18]]:15: runtime error: applying zero offset to null pointer
 
   base = (char *)(intptr_t)(argc - 1);
   offset = argc == 1 ? 0 : -(argc - 1);
   (void)getelementpointer_inbounds_v1(base, offset);
-  // CHECK-UB: {{.*}}.cpp:[[@LINE-19]]:15: runtime error: applying non-zero offset to non-null pointer 0x{{.*}} produced null pointer
-  // CHECK-UB-C: {{.*}}.cpp:[[@LINE-20]]:15: runtime error: applying offset to null pointer
+  // CHECK-UB: {{.*}}.cpp:[[@LINE-19]]:15: runtime error: applying non-zero offset to non-null pointer {{.*}} produced null pointer
+  // CHECK-UB-C: {{.*}}.cpp:[[@LINE-20]]:15: runtime error: applying zero offset to null pointer
 
   return 0;
 }