1 // RUN: %clangxx %s -fsanitize-memory-track-origins=1 -o %t
2 // RUN: %env_tool_opts="compress_stack_depot=0:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --implicit-check-not="StackDepot released"
3 // RUN: %env_tool_opts="compress_stack_depot=1:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --check-prefixes=COMPRESS
4 
5 // Ubsan does not store stacks.
6 // UNSUPPORTED: ubsan
7 
8 // FIXME: Fails for unknown reason.
9 // UNSUPPORTED: s390x
10 
11 #include <memory>
12 
13 __attribute__((noinline)) void a(unsigned v);
14 __attribute__((noinline)) void b(unsigned v);
15 
16 std::unique_ptr<int[]> p;
17 
18 __attribute__((noinline)) void a(unsigned v) {
19   int x;
20   v >>= 1;
21   if (!v) {
22     p.reset(new int[100]);
23     p[1] = x;
24     return;
25   }
26   if (v & 1)
27     b(v);
28   else
29     a(v);
30 }
31 
32 __attribute__((noinline)) void b(unsigned v) { return a(v); }
33 
34 int main(int argc, char *argv[]) {
35   for (unsigned i = 0; i < 100000; ++i)
36     a(i + (i << 16));
37   return 0;
38 }
39 
40 // COMPRESS: StackDepot released {{[0-9]+}}
41