Import compiler-rt 3.7.0 release (r246257).vendor/compiler-rt/compiler-rt-release_370-r246257

1 files changed, 32 insertions, 0 deletions

diff --git a/test/lsan/TestCases/recoverable_leak_check.cc b/test/lsan/TestCases/recoverable_leak_check.cc
new file mode 100644
index 000000000000..0fe377f65af1
--- /dev/null
+++ b/test/lsan/TestCases/recoverable_leak_check.cc
@@ -0,0 +1,32 @@
+// Test for on-demand leak checking.
+// RUN: LSAN_BASE="use_stacks=0:use_registers=0"
+// RUN: %clangxx_lsan %s -o %t
+// RUN: LSAN_OPTIONS=$LSAN_BASE %run %t foo 2>&1 | FileCheck %s
+// RUN: LSAN_OPTIONS=$LSAN_BASE %run %t 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sanitizer/lsan_interface.h>
+
+void *p;
+
+int main(int argc, char *argv[]) {
+  p = malloc(23);
+
+  assert(__lsan_do_recoverable_leak_check() == 0);
+
+  fprintf(stderr, "Test alloc: %p.\n", malloc(1337));
+// CHECK: Test alloc:
+
+  assert(__lsan_do_recoverable_leak_check() == 1);
+// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1337 byte
+
+  // Test that we correctly reset chunk tags.
+  p = 0;
+  assert(__lsan_do_recoverable_leak_check() == 1);
+// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: 1360 byte
+
+  _exit(0);
+}