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| // RUN: %clangxx_asan -O0 -fsanitize-address-use-after-scope %s -o %t && %run %t
// Function jumps over variable initialization making lifetime analysis
// ambiguous. Asan should ignore such variable and program must not fail.
#include <stdlib.h>
int *ptr;
void f1(int cond) {
if (cond)
goto label;
int tmp;
label:
ptr = &tmp;
*ptr = 5;
}
void f2(int cond) {
switch (cond) {
case 1: {
++cond;
int tmp;
ptr = &tmp;
exit(0);
case 2:
ptr = &tmp;
*ptr = 5;
exit(0);
}
}
}
void f3(int cond) {
{
int tmp;
goto l2;
l1:
ptr = &tmp;
*ptr = 5;
exit(0);
}
l2:
goto l1;
}
void use(int *x) {
static int c = 10;
if (--c == 0)
exit(0);
(*x)++;
}
void f4() {
{
int x;
l2:
use(&x);
goto l1;
}
l1:
goto l2;
}
int main() {
f1(1);
f2(1);
f3(1);
f4();
return 0;
}
|