| // RUN: %clang -fsanitize=alignment -fno-sanitize-recover=alignment -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " |
| |
| // RUN: rm -f %tmp |
| // RUN: echo "[alignment]" >> %tmp |
| // RUN: echo "fun:main" >> %tmp |
| // RUN: %clang -fsanitize=alignment -fno-sanitize-recover=alignment -fsanitize-ignorelist=%tmp -O0 %s -o %t && %run %t 2>&1 |
| |
| #include <stdlib.h> |
| |
| int main(int argc, char* argv[]) { |
| char *ptr = (char *)malloc(2); |
| |
| __builtin_assume_aligned(ptr + 1, 0x8000); |
| // CHECK: {{.*}}alignment-assumption-ignorelist.cpp:[[@LINE-1]]:32: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed |
| // CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte |
| |
| free(ptr); |
| |
| return 0; |
| } |
