https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92184
Bug ID: 92184
Summary: [ASAN] errors in bootstrap
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
I tried an asan bootstrap on fortran with recent bootstrap and got this:
================================================================
==230053==ERROR: AddressSanitizer: heap-use-after-free on address
0x6140000692a0 at pc 0x00000306907a bp 0x7fffad4ef940 sp 0x7fffad4ef938
READ of size 8 at 0x6140000692a0 thread T0
#0 0x3069079 in vect_analyze_loop(loop*, _loop_vec_info*, vec_info_shared*)
../../trunk/gcc/tree-vect-loop.c:2394
Problem seems to first appear sometime between revision 277000 and 277250.
Configure line is
../trunk/configure --prefix=/home/dcb/gcc/results.277250.asan \
--with-build-config=bootstrap-asan \
--disable-multilib \
--disable-werror \
--enable-checking=yes \
--enable-languages=c,c++,fortran
