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[BUILDROBOT] arm-netbsdelf: "cc1: internal compiler error: Segmentation fault" during -fself-test triggered from forcibly_ggc_collect()


Hi!

When building a cross-gcc using config_list.mk using r245361 (as both,
a freshly built `build' compiler and as sources for the
cross-compiler), my build robot fails (see
http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=696565).
Seems this is only triggered for arm-netbsdelf, it's running fine for
many/all? other targets in config_list.mk .

[...]
/home/jbglaw/build-configlist_mk/arm-netbsdelf/build-gcc/mk/arm-netbsdelf/./gcc/xgcc -B/home/jbglaw/build-configlist_mk/arm-netbsdelf/build-gcc/mk/arm-netbsdelf/./gcc/ -nostdinc -x c /dev/null -S -o /dev/null -fself-test=/home/jbglaw/repos-configlist_mk/gcc/gcc/testsuite/selftests
cc1: internal compiler error: Segmentation fault
0xaf7fdf crash_signal
/home/jbglaw/repos-configlist_mk/gcc/gcc/toplev.c:333
0x6739b3 lookup_page_table_entry
/home/jbglaw/repos-configlist_mk/gcc/gcc/ggc-page.c:635
0x6739b3 ggc_set_mark(void const*)
/home/jbglaw/repos-configlist_mk/gcc/gcc/ggc-page.c:1532
0x571bff gt_ggc_mx_lang_tree_node(void*)
./gt-c-c-decl.h:49
0x57242a gt_ggc_mx_lang_tree_node(void*)
./gt-c-c-decl.h:401
0x572fae gt_ggc_mx_lang_tree_node(void*)
./gt-c-c-decl.h:382
0x571e61 gt_ggc_mx_lang_tree_node(void*)
./gt-c-c-decl.h:391
0x83ed15 ggc_mark_root_tab
/home/jbglaw/repos-configlist_mk/gcc/gcc/ggc-common.c:77
0x83ef70 ggc_mark_roots()
/home/jbglaw/repos-configlist_mk/gcc/gcc/ggc-common.c:94
0x674417 ggc_collect()
/home/jbglaw/repos-configlist_mk/gcc/gcc/ggc-page.c:2202
0x842dff selftest::forcibly_ggc_collect()
/home/jbglaw/repos-configlist_mk/gcc/gcc/ggc-tests.c:36
0x11d0491 selftest::run_tests()
/home/jbglaw/repos-configlist_mk/gcc/gcc/selftest-run-tests.c:103
0xaf9742 toplev::run_self_tests()
/home/jbglaw/repos-configlist_mk/gcc/gcc/toplev.c:2046
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Makefile:1932: recipe for target 's-selftest' failed
make[2]: *** [s-selftest] Error 1
rm fsf-funding.pod gcov.pod gpl.pod cpp.pod gfdl.pod gfortran.pod gcc.pod gcov-tool.pod gccgo.pod
make[2]: Leaving directory '/home/jbglaw/build-configlist_mk/arm-netbsdelf/build-gcc/mk/arm-netbsdelf/gcc'
Makefile:4229: recipe for target 'all-gcc' failed
make[1]: *** [all-gcc] Error 2

Unfortunately, I don't know a good revision or when it started to
fail.

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
Signature of:              Alles sollte so einfach wie möglich gemacht sein.
the second  :                          Aber nicht einfacher.  (Einstein)

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