https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95770
Bug ID: 95770
Summary: ice during GIMPLE pass: slp
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
Created attachment 48758
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48758&action=edit
C source code
Sometime from 20200618 to 20200619, the attached C code fails
to compile with compiler flag -O3 on x86_64.
/home/dcb/gcc/results.20200618/bin/gcc
/home/dcb/gcc/results.20200619/bin/gcc
../src/filter_tools.c: In function ‘fftx.constprop’:
../src/filter_tools.c:77:13: error: definition in block 11 follows the use
for SSA_NAME: vect_cst__45 in statement:
vect__88.4452_47 = vect__95.4450_43 + vect_cst__45;
during GIMPLE pass: slp
../src/filter_tools.c:77:13: internal compiler error: verify_ssa failed
0x11624ab verify_ssa(bool, bool)
../../trunk.git/gcc/tree-ssa.c:1208
0xded0d5 execute_function_todo
../../trunk.git/gcc/passes.c:1992
0xdee331 do_per_function
../../trunk.git/gcc/passes.c:1640
0xdee331 execute_todo
../../trunk.git/gcc/passes.c:2039
I'll have a go at reducing it.
