1 files changed, 29 insertions, 0 deletions
diff --git a/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-constants.cpp b/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-constants.cpp
new file mode 100644
index 000000000..2c3c15659
--- /dev/null
+++ b/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-constants.cpp
@@ -0,0 +1,29 @@
+// RUN: %clang -x c -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="error:"
+// RUN: %clang -x c -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="error:"
+// RUN: %clang -x c -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="error:"
+// RUN: %clang -x c -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="error:"
+
+// RUN: %clangxx    -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="error:"
+// RUN: %clangxx    -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="error:"
+// RUN: %clangxx    -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="error:"
+// RUN: %clangxx    -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="error:"
+
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+  char *base, *result;
+
+  base = (char *)0;
+  result = base + 0;
+  // CHECK-C: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying zero offset to null pointer
+
+  base = (char *)0;
+  result = base + 1;
+  // CHECK: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying non-zero offset 1 to null pointer
+
+  base = (char *)1;
+  result = base - 1;
+  // CHECK: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying non-zero offset to non-null pointer 0x{{.*}} produced null pointer
+
+  return 0;
+}