[Bug sanitizer/84208] fsanitize-address-use-after-scope Not working for ARM

["akhilesh.k at samsung dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84208

--- Comment #5 from Akhilesh Kumar <akhilesh.k at samsung dot com> ---
Please Mark this bug ID as invalid with the same patch I am able to run on ARM
also there was issue in My setup only (Sorry for the noise). 

Test results on ARM (gcc 6.2.1)
sh-3.2# out_of_scope
=================================================================
==3348==ERROR: AddressSanitizer: stack-use-after-scope on address 0xbe35c700 at
pc 0x000108e8 bp 0xbe35c6c4 sp 0xbe35c6bc
WRITE of size 1 at 0xbe35c700 thread T0
    #0 0x108e7 in main /data2/TC/scripts/test2.c:10
    #1 0x410768ab in __libc_start_main (/lib/libc.so.6+0x410768ab)

Address 0xbe35c700 is located in stack of thread T0 at offset 32 in frame
    #0 0x107ef in main /data2/TC/scripts/test2.c:3

  This frame has 1 object(s):
    [32, 33) 'my_char' <== Memory access at offset 32 is inside this variable
HINT: this may be a false positive if your program uses some custom stack
unwind mechanism or swapcontext
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: AddressSanitizer stack-use-after-scope
/data2/TC/scripts/test2.c:10 in main
Shadow bytes around the buggy address:
  0x37c6b890: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b8a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b8b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b8c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b8d0: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
=>0x37c6b8e0:[f8]f4 f4 f4 f3 f3 f3 f3 00 00 00 00 00 00 00 00
  0x37c6b8f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b910: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b920: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x37c6b930: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==3348==ABORTING
sh-3.2# [SECOS][PSCI] Suspend Start CPU #0