summaryrefslogtreecommitdiff
path: root/lib/lsan/lit_tests/TestCases/stale_stack_leak.cc
diff options
context:
space:
mode:
Diffstat (limited to 'lib/lsan/lit_tests/TestCases/stale_stack_leak.cc')
-rw-r--r--lib/lsan/lit_tests/TestCases/stale_stack_leak.cc42
1 files changed, 0 insertions, 42 deletions
diff --git a/lib/lsan/lit_tests/TestCases/stale_stack_leak.cc b/lib/lsan/lit_tests/TestCases/stale_stack_leak.cc
deleted file mode 100644
index fabfb4ff21a97..0000000000000
--- a/lib/lsan/lit_tests/TestCases/stale_stack_leak.cc
+++ /dev/null
@@ -1,42 +0,0 @@
-// Test that out-of-scope local variables are ignored by LSan.
-// RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=1"
-// RUN: %clangxx_lsan %s -o %t
-// RUN: LSAN_OPTIONS=$LSAN_BASE not %t 2>&1 | FileCheck %s
-// RUN: LSAN_OPTIONS=$LSAN_BASE":exitcode=0" %t 2>&1 | FileCheck --check-prefix=CHECK-sanity %s
-
-#include <stdio.h>
-#include <stdlib.h>
-
-void **pp;
-
-// Put pointer far enough on the stack that LSan has space to run in without
-// overwriting it.
-// Hopefully the argument p will be passed on a register, saving us from false
-// negatives.
-__attribute__((noinline))
-void *PutPointerOnStaleStack(void *p) {
- void *locals[2048];
- locals[0] = p;
- pp = &locals[0];
- fprintf(stderr, "Test alloc: %p.\n", locals[0]);
- return 0;
-}
-
-int main() {
- PutPointerOnStaleStack(malloc(1337));
- return 0;
-}
-
-// This must run after LSan, to ensure LSan didn't overwrite the pointer before
-// it had a chance to see it. If LSan is invoked with atexit(), this works.
-// Otherwise, we need a different method.
-__attribute__((destructor))
-void ConfirmPointerHasSurvived() {
- fprintf(stderr, "Value after LSan: %p.\n", *pp);
-}
-// CHECK: Test alloc: [[ADDR:.*]].
-// CHECK-sanity: Test alloc: [[ADDR:.*]].
-// CHECK: Directly leaked 1337 byte object at [[ADDR]]
-// CHECK: LeakSanitizer: detected memory leaks
-// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:
-// CHECK-sanity: Value after LSan: [[ADDR]].