https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71284
Bug ID: 71284
Summary: [7 Regression] internal compiler error: Segmentation
fault
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: kuganv at linaro dot org
Target Milestone: ---
On x86-64, r236564 caused:
gfortran -c -o material_11.o -DSPEC_CPU2000_LP64 -O2 -ffast-math
material_11.f90
internal compiler error: Segmentation fault
0xbda9ff crash_signal
../../src-trunk/gcc/toplev.c:333
0x953ab9 bb_seq_addr
../../src-trunk/gcc/gimple.h:1655
0x953ab9 gsi_start_bb
../../src-trunk/gcc/gimple-iterator.h:129
0x953ab9 gsi_for_stmt(gimple*)
../../src-trunk/gcc/gimple-iterator.c:617
0xd7444a insert_stmt_after
../../src-trunk/gcc/tree-ssa-reassoc.c:1323
0xd757ba build_and_add_sum
../../src-trunk/gcc/tree-ssa-reassoc.c:1392
0xd7796e rewrite_expr_tree_parallel
../../src-trunk/gcc/tree-ssa-reassoc.c:4128
0xd7f812 reassociate_bb
../../src-trunk/gcc/tree-ssa-reassoc.c:5339
0xd7f4d7 reassociate_bb
../../src-trunk/gcc/tree-ssa-reassoc.c:5391
0xd7f4d7 reassociate_bb
../../src-trunk/gcc/tree-ssa-reassoc.c:5391
0xd7f4d7 reassociate_bb
../../src-trunk/gcc/tree-ssa-reassoc.c:5391
0xd8242a do_reassoc
../../src-trunk/gcc/tree-ssa-reassoc.c:5505
0xd8242a execute_reassoc
../../src-trunk/gcc/tree-ssa-reassoc.c:5592
0xd8242a execute
../../src-trunk/gcc/tree-ssa-reassoc.c:5631
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
specmake[3]: *** [material_11.o] Error 1
when compiling 191.fma3d in SPEC CPU 2000.
