https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87945
David Binderman <dcb314 at hotmail dot com> changed:
What |Removed |Added
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CC| |dcb314 at hotmail dot com
--- Comment #6 from David Binderman <dcb314 at hotmail dot com> ---
Not sure this is related, but I tried compiling ./gfortran.dg/pr87945_1.f90
on an asan build of gcc trunk revision 267200 and got this:
./gfortran.dg/pr87945_1.f90
=================================================================
==30485==ERROR: AddressSanitizer: heap-use-after-free on address 0x617000003ed8
at pc 0x000001323891 bp 0x7fff1aa0dbd0 sp 0x7fff1aa0dbc8
READ of size 8 at 0x617000003ed8 thread T0
#0 0x1323890 in simplify_ref_chain ../../trunk/gcc/fortran/expr.c:1943
#1 0x132226c in gfc_simplify_expr(gfc_expr*, int)
../../trunk/gcc/fortran/expr.c:2164
#2 0x144b2a9 in gfc_match_varspec(gfc_expr*, int, bool, bool)
../../trunk/gcc/fortran/primary.c:2287
#3 0x144d207 in match_variable ../../trunk/gcc/fortran/primary.c:3971
$ ~/gcc/results/bin/gfortran -v
Using built-in specs.
COLLECT_GCC=/home/dcb/gcc/results/bin/gfortran
COLLECT_LTO_WRAPPER=/home/dcb/gcc/results.267200.asan/libexec/gcc/x86_64-pc-linux-gnu/9.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../trunk/configure --prefix=/home/dcb/gcc/results.267200.asan
--with-build-config=bootstrap-asan --disable-multilib --disable-werror
--enable-checking=release --enable-languages=c,c++,fortran
Thread model: posix
gcc version 9.0.0 20181217 (experimental) (GCC)
$
