[lsan] Disable some LSAN tests for arm-linux-gnueabi{hf}

[zatrazz]

Summary

The tests do not report the expected leak when issued with use_stack
or use_tls option equal to 0 on arm-linux-gnueabihf (ubuntu 18.04,
glibc 2.27).

This issue is being tracked by https://bugs.llvm.org/show_bug.cgi?id=48052

[yroux]

LGTM, given it is needed to bring ARM bots back online

compiler-rt/test/lsan/TestCases/Linux/cleanup_in_tsd_destructor.c

 // Regression test for thread lifetime tracking. Thread data should be
 // considered live during the thread's termination, at least until the
 // user-installed TSD destructors have finished running (since they may contain
 // additional cleanup tasks). LSan doesn't actually meet that goal 100%, but it
 // makes its best effort.
 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0"
 // RUN: %clang_lsan %s -o %t
 // RUN: %env_lsan_opts=$LSAN_BASE:use_tls=1 %run %t
 // RUN: %env_lsan_opts=$LSAN_BASE:use_tls=0 not %run %t 2>&1 | FileCheck %s
 
+// Investigate why it does not fail with use_stack=0
+// UNSUPPORTED: arm-linux || armhf-linux
+
 #include <assert.h>
 #include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
 
 #include "sanitizer/lsan_interface.h"
 #include "sanitizer_common/print_address.h"
 

compiler-rt/test/lsan/TestCases/Linux/use_tls_pthread_specific_dynamic.cpp

 // Test that dynamically allocated thread-specific storage is included in the root set.
 // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0"
 // RUN: %clangxx_lsan %s -o %t
 // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=0" not %run %t 2>&1 | FileCheck %s
 // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=1" %run %t 2>&1
 // RUN: %env_lsan_opts="" %run %t 2>&1
 
+// Investigate why it does not fail with use_tls=0
+// UNSUPPORTED: arm-linux || armhf-linux
+
 #include <assert.h>
 #include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "sanitizer_common/print_address.h"
 
 // From glibc: this many keys are stored in the thread descriptor directly.
 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;

compiler-rt/test/lsan/TestCases/disabler.c

 // Test for __lsan_disable() / __lsan_enable().
 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_tls=0"
 // RUN: %clang_lsan %s -o %t
 // RUN: %env_lsan_opts=$LSAN_BASE not %run %t 2>&1 | FileCheck %s
 
+// Investigate why it does not fail with use_stack=0
+// UNSUPPORTED: arm-linux || armhf-linux
+
 #include <stdio.h>
 #include <stdlib.h>
 
 #include "sanitizer/lsan_interface.h"
 
 int main() {
   void **p;
   {

compiler-rt/test/lsan/TestCases/do_leak_check_override.cpp

 // Test for __lsan_do_leak_check(). We test it by making the leak check run
 // before global destructors, which also tests compatibility with HeapChecker's
 // "normal" mode (LSan runs in "strict" mode by default).
 // RUN: LSAN_BASE="use_stacks=0:use_registers=0"
 // RUN: %clangxx_lsan %s -o %t
 // RUN: %env_lsan_opts=$LSAN_BASE not %run %t 2>&1 | FileCheck --check-prefix=CHECK-strict %s
 // RUN: %env_lsan_opts=$LSAN_BASE not %run %t foo 2>&1 | FileCheck --check-prefix=CHECK-normal %s
 
+// Investigate why LeakyGlobal leak does show
+// UNSUPPORTED: arm-linux || armhf-linux
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <sanitizer/lsan_interface.h>
 
 struct LeakyGlobal {
   LeakyGlobal() {
     p = malloc(1337);
   }

compiler-rt/test/lsan/TestCases/ignore_object.c

 // Test for __lsan_ignore_object().
 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_tls=0"
 // RUN: %clang_lsan %s -o %t
 // RUN: %env_lsan_opts=$LSAN_BASE not %run %t 2>&1 | FileCheck %s
 
+// Investigate why it does not fail with use_stack=0
+// UNSUPPORTED: arm-linux || armhf-linux
+
 #include <stdio.h>
 #include <stdlib.h>
 
 #include "sanitizer/lsan_interface.h"
 
 int main() {
   // Explicitly ignored object.
   void **p = malloc(sizeof(void *));

compiler-rt/test/lsan/TestCases/use_after_return.cpp

 // Test that fake stack (introduced by ASan's use-after-return mode) is included
 // in the root set.
 // RUN: LSAN_BASE="report_objects=1:use_registers=0"
 // RUN: %clangxx_lsan %s -O2 -o %t
 // RUN: ASAN_OPTIONS=$ASAN_OPTIONS:detect_stack_use_after_return=1 %env_lsan_opts=$LSAN_BASE:"use_stacks=0" not %run %t 2>&1 | FileCheck %s
 // RUN: ASAN_OPTIONS=$ASAN_OPTIONS:detect_stack_use_after_return=1 %env_lsan_opts=$LSAN_BASE:"use_stacks=1" %run %t 2>&1
 // RUN: ASAN_OPTIONS=$ASAN_OPTIONS:detect_stack_use_after_return=1 %env_lsan_opts="" %run %t 2>&1
 
+// Investigate why it does not fail with use_stack=0
+// UNSUPPORTED: arm-linux || armhf-linux
+
 #include <stdio.h>
 #include <stdlib.h>
 #include "sanitizer_common/print_address.h"
 
 int main() {
   void *stack_var = malloc(1337);
   print_address("Test alloc: ", 1, stack_var);
   // Take pointer to variable, to ensure it's not optimized into a register.
   print_address("Stack var at: ", 1, &stack_var);
   // Do not return from main to prevent the pointer from going out of scope.
   exit(0);
 }
 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
 // CHECK: LeakSanitizer: detected memory leaks
 // CHECK: [[ADDR]] (1337 bytes)
 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: