[Bug fortran/87881] gfortran.dg/inquiry_type_ref_(1.f08|3.f90) fail on darwin

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87881

--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Hi Paul,

> I am getting nowhere with this. ...

Did you try to run gfortran under valgrind?

I think there is a latent bug in gfortran that triggers the

==82437==ERROR: AddressSanitizer: heap-use-after-free on address 0x6170000053d8
at pc 0x0001001565a9 bp 0x7ffeefbfcb60 sp 0x7ffeefbfcb58
READ of size 8 at 0x6170000053d8 thread T0
...

pr52622 gcc     fortran unassigned@gcc.gnu.org  NEW     ---    
heap-use-after-free with instrumented compiler  2018-07-24
pr78746 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     charlen_03,
charlen_10 ICE      2018-07-24
pr81531 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     Multiple
Invalid reads seen by valgrind on an invalid test-case 2018-07-24
pr87881 gcc     fortran unassigned@gcc.gnu.org  NEW     ---    
gfortran.dg/inquiry_type_ref_(1.f08|3.f90) fail on darwin       Sat 18:32
pr87908 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     ICE in
check_interface0, at fortran/interface.c:1841    2018-11-06
pr79524 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     [7/8/9
Regression] valgrind error for gcc/testsuite/gfortran.dg/fimplicit_none_2.f90  
 2018-10-26
pr82721 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     [7/8/9
Regression] Error message with corrupted text, sometimes ICE     2018-07-24
pr84245 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     [7/8/9
Regression] ICE in delete_root, at fortran/bbt.c:150     2018-02-07
pr86657 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     ASAN error:
heap-use-after-free gcc/fortran/symbol.c:1762 in gfc_add_flavor     2018-07-24
pr87994 gcc     fortran unassigned@gcc.gnu.org  NEW     ---     ICE in
match_data_constant, at fortran/decl.c:399       19:01:42

> Have you joined the 'gilets jaunes' today ;-)

I hate the people behind it!-(