https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88902
Bug ID: 88902
Summary: [9 Regression] ICE: Segmentation fault (in
DFS::DFS_write_tree_body)
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: GC, ice-on-valid-code, lto
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
CC: marxin at gcc dot gnu.org
Target Milestone: ---
gfortran-9.0.0-alpha20190113 snapshot (r267906) ICEs when compiling
gcc/testsuite/gfortran.dg/pr50069_2.f90 w/ -flto --param ggc-min-heapsize=0:
% powerpc-e300c3-linux-gnu-gfortran-9.0.0-alpha20190113 -flto --param
ggc-min-heapsize=0 -c gcc/testsuite/gfortran.dg/pr50069_2.f90
during IPA pass: fnsummary
gcc/testsuite/gfortran.dg/pr50069_2.f90:11: internal compiler error:
Segmentation fault
11 | end function reverse
|
0xd9fad6 crash_signal
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/toplev.c:326
0xc46ef8 DFS::DFS_write_tree_body(output_block*, tree_node*, DFS::sccs*, bool)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/lto-streamer-out.c:759
0xc4f69d DFS::DFS(output_block*, tree_node*, bool, bool, bool)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/lto-streamer-out.c:587
0xc50620 lto_output_tree(output_block*, tree_node*, bool, bool)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/lto-streamer-out.c:1628
0xc47ebc write_global_stream
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/lto-streamer-out.c:2511
0xc47ebc lto_output_decl_state_streams(output_block*, lto_out_decl_state*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/lto-streamer-out.c:2558
0xc4e504 produce_asm_for_decls()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/lto-streamer-out.c:2898
0xcc1927 write_lto
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/passes.c:2596
0xcc5290 ipa_write_summaries_1
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/passes.c:2657
0xcc5290 ipa_write_summaries()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/passes.c:2720
0x9813fc ipa_passes
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cgraphunit.c:2530
0x9813fc symbol_table::compile()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cgraphunit.c:2618
0x983db8 symbol_table::finalize_compilation_unit()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cgraphunit.c:2863
(While my target here is powerpc, the ICE not target-specific.)
