File: print_stacktrace.c

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (22 lines) | stat: -rw-r--r-- 742 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// RUN: %clang_tysan -O0 %s -o %t && %run %t >%t.out 2>&1
// RUN: FileCheck --check-prefixes=CHECK,CHECK-SHORT %s < %t.out

// RUN: %env_tysan_opts=print_stacktrace=1 %run %t >%t.out 2>&1
// RUN: FileCheck --check-prefixes=CHECK,CHECK-LONG %s < %t.out

float *P;
void zero_array() {
  int i;
  for (i = 0; i < 1; ++i)
    P[i] = 0.0f;
  // CHECK: ERROR: TypeSanitizer: type-aliasing-violation
  // CHECK: WRITE of size 4 at {{.*}} with type float accesses an existing object of type p1 float
  // CHECK: {{#0 0x.* in zero_array .*print_stacktrace.c:}}[[@LINE-3]]
  // CHECK-SHORT-NOT: {{#1 0x.* in main .*print_stacktrace.c}}
  // CHECK-LONG-NEXT: {{#1 0x.* in main .*print_stacktrace.c}}
}

int main() {
  P = (float *)&P;
  zero_array();
}