compiler-rt/test/ubsan_minimal/TestCases/recover-dedup-limit.cpp

   1 // RUN: %clangxx -fsanitize=signed-integer-overflow -fsanitize-recover=all %s -o %t && %run %t 2>&1 | FileCheck %s
   2
   3 #include <stdint.h>
   4
   5 #define OVERFLOW  \
   6   x = 0x7FFFFFFE; \
   7   x += __LINE__
   8
   9 int main() {
  10   int32_t x;
  11   OVERFLOW;  // CHECK: add-overflow
  12   OVERFLOW;  // CHECK: add-overflow
  13   OVERFLOW;  // CHECK: add-overflow
  14   OVERFLOW;  // CHECK: add-overflow
  15   OVERFLOW;  // CHECK: add-overflow
  16
  17   OVERFLOW;  // CHECK: add-overflow
  18   OVERFLOW;  // CHECK: add-overflow
  19   OVERFLOW;  // CHECK: add-overflow
  20   OVERFLOW;  // CHECK: add-overflow
  21   OVERFLOW;  // CHECK: add-overflow
  22
  23   OVERFLOW;  // CHECK: add-overflow
  24   OVERFLOW;  // CHECK: add-overflow
  25   OVERFLOW;  // CHECK: add-overflow
  26   OVERFLOW;  // CHECK: add-overflow
  27   OVERFLOW;  // CHECK: add-overflow
  28
  29   OVERFLOW;  // CHECK: add-overflow
  30   OVERFLOW;  // CHECK: add-overflow
  31   OVERFLOW;  // CHECK: add-overflow
  32   OVERFLOW;  // CHECK: add-overflow
  33   OVERFLOW;  // CHECK: add-overflow
  34
  35   // CHECK-NOT: add-overflow
  36   OVERFLOW;  // CHECK: too many errors
  37   // CHECK-NOT: add-overflow
  38   OVERFLOW;
  39   OVERFLOW;
  40   OVERFLOW;
  41 }