https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69147

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-01-11
     Ever confirmed|0                           |1

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> If you want use make check stuff, you could try this:
>
> max:~/build/master> setenv ASAN_OPTIONS verbosity=2:debug=1
> max:~/build/master> make check RUNTESTFLAGS="asan.exp=memcmp-1.c"

With that I get:

LD_LIBRARY_PATH=:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
LD_RUN_PATH=:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
SHLIB_PATH=:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
LD_LIBRARY_PATH_32=:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
LD_LIBRARY_PATH_64=:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
DYLD_LIBRARY_PATH=:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
Executing on host: /opt/gcc/5_build/gcc/xgcc -B/opt/gcc/5_build/gcc/
fsanitize_address45391.c    
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/ 
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/ 
-L/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs 
-fsanitize=address -g
-I/opt/gcc/5_work/gcc/testsuite/../../libsanitizer/include
-fno-diagnostics-show-caret -fdiagnostics-color=never  -fsanitize=address  -lm 
-o fsanitize_address45391.exe    (timeout = 300)
spawn -ignore SIGHUP /opt/gcc/5_build/gcc/xgcc -B/opt/gcc/5_build/gcc/
fsanitize_address45391.c
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/
-L/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
-fsanitize=address -g
-I/opt/gcc/5_work/gcc/testsuite/../../libsanitizer/include
-fno-diagnostics-show-caret -fdiagnostics-color=never -fsanitize=address -lm -o
fsanitize_address45391.exe^M
Executing on host: /opt/gcc/5_build/gcc/xgcc -B/opt/gcc/5_build/gcc/
/opt/gcc/5_work/gcc/testsuite/c-c++-common/asan/memcmp-1.c    
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/ 
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/ 
-L/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs 
-fsanitize=address -g
-I/opt/gcc/5_work/gcc/testsuite/../../libsanitizer/include
-fno-diagnostics-show-caret -fdiagnostics-color=never    -O0 
-fno-builtin-memcmp  -lm  -o ./memcmp-1.exe    (timeout = 300)
spawn -ignore SIGHUP /opt/gcc/5_build/gcc/xgcc -B/opt/gcc/5_build/gcc/
/opt/gcc/5_work/gcc/testsuite/c-c++-common/asan/memcmp-1.c
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/
-B/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/
-L/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
-fsanitize=address -g
-I/opt/gcc/5_work/gcc/testsuite/../../libsanitizer/include
-fno-diagnostics-show-caret -fdiagnostics-color=never -O0 -fno-builtin-memcmp
-lm -o ./memcmp-1.exe^M
PASS: c-c++-common/asan/memcmp-1.c   -O0  (test for excess errors)
Setting LD_LIBRARY_PATH to
:/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs::/opt/gcc/5_build/gcc:/opt/gcc/5_build/x86_64-apple-darwin15.2.0/./libsanitizer/asan/.libs
spawn [open ...]^M
==45459==Parsed ASAN_OPTIONS: verbosity=2:debug=1
==45459==AddressSanitizer CHECK failed:
../../../../5_work/libsanitizer/asan/asan_malloc_mac.cc:103
"((!asan_init_is_running)) != (0)" (0x0, 0x0)
    <empty stack>

PASS: c-c++-common/asan/memcmp-1.c   -O0  execution test
FAIL: c-c++-common/asan/memcmp-1.c   -O0  output pattern test
Output was:
==45459==Parsed ASAN_OPTIONS: verbosity=2:debug=1
==45459==AddressSanitizer CHECK failed:
../../../../5_work/libsanitizer/asan/asan_malloc_mac.cc:103
"((!asan_init_is_running)) != (0)" (0x0, 0x0)
    <empty stack>


Should match:
ERROR: AddressSanitizer: stack-buffer-overflow.*(
|^M
|^M)    #0 0x[0-9a-f]+ +(in _*(interceptor_|wrap_|)memcmp |[(])[^
^M]*(
|^M
|^M)    #1 0x[0-9a-f]+ +(in _*main|[(])[^
^M]*(
|^M
|^M)

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