https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89982
Bug ID: 89982
Summary: [9 regression] SEGV in stage2 gengtype
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Target: i386-pc-solaris2.11, sparc-sun-solaris2.11,
x86_64-pc-linux-gnu, x86_64-apple-darwin11.4.2
Between 20190404 (r270144) and 20490405 (r270162), bootstrap started to fail
on many targets: during stage2 gengtype SEGVs:
build/gengtype \
-S /vol/gcc/src/hg/trunk/local/gcc -I gtyp-input.list -w
tmp-gtype.state
make[3]: *** [Makefile:2642: s-gtype] Segmentation Fault
On Linux/x86_64, I see
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7cf7cfa in __strlen_sse2 () from /lib64/libc.so.6
(gdb) where
#0 0x00007ffff7cf7cfa in __strlen_sse2 () from /lib64/libc.so.6
#1 0x00000000004076c5 in adjust_field_type(type*, options*) ()
#2 0x0000000000407c29 in create_field_at(pair*, type*, char const*, options*,
fileloc*) ()
#3 0x000000000040f379 in type(options**, bool) ()
#4 0x0000000000410137 in parse_file(char const*) ()
#5 0x000000000040416b in main ()
(gdb) up
#1 0x00000000004076c5 in adjust_field_type(type*, options*) ()
Starting a reghunt as we speak since the obvious candidate patch didn't cause
it.
