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git.proxmox.com Git - rustc.git/blob - src/compiler-rt/test/msan/realloc-large-origin.cc
1 // RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -O0 %s -o %t && not %run %t >%t.out 2>&1
2 // RUN: FileCheck %s < %t.out
3 // RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -O2 %s -o %t && not %run %t >%t.out 2>&1
4 // RUN: FileCheck %s < %t.out
6 // This is a regression test: there used to be broken "stored to memory at"
9 // in __msan::MsanReallocate
10 // and nothing below that.
13 int main(int argc
, char **argv
) {
14 char *p
= (char *)malloc(100);
15 p
= (char *)realloc(p
, 10000);
20 // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
21 // CHECK: {{#0 0x.* in main .*realloc-large-origin.cc:}}[[@LINE-3]]
23 // CHECK: Uninitialized value was stored to memory at
24 // CHECK: {{#0 0x.* in .*realloc}}
25 // CHECK: {{#1 0x.* in main .*realloc-large-origin.cc:}}[[@LINE-10]]
27 // CHECK: Uninitialized value was created by a heap allocation
28 // CHECK: {{#0 0x.* in .*malloc}}
29 // CHECK: {{#1 0x.* in main .*realloc-large-origin.cc:}}[[@LINE-15]]