https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97870
Bug ID: 97870
Summary: [11 Regression] ICE: verify_flow_info failed (error:
too many outgoing branch edges from bb 2)
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: error-recovery
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu
gcc-11.0.0-alpha20201115 snapshot (g:c746fc40f4ec8cfc1092efd49d567751858d2099)
ICEs when compiling gcc/testsuite/gcc.c-torture/compile/asmgoto-3.c:
% powerpc-e300c3-linux-gnu-gcc-11.0.0 -c
gcc/testsuite/gcc.c-torture/compile/asmgoto-3.c
gcc/testsuite/gcc.c-torture/compile/asmgoto-3.c: In function 'foo2':
gcc/testsuite/gcc.c-torture/compile/asmgoto-3.c:18:3: error: inconsistent
operand constraints in an 'asm'
18 | asm goto ("": "=a" (x), "=d" (y) : : : lab, lab2);
| ^~~
gcc/testsuite/gcc.c-torture/compile/asmgoto-3.c:23:1: error: too many outgoing
branch edges from bb 2
23 | }
| ^
during RTL pass: pro_and_epilogue
gcc/testsuite/gcc.c-torture/compile/asmgoto-3.c:23:1: internal compiler error:
verify_flow_info failed
0x941381 verify_flow_info()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201115/work/gcc-11-20201115/gcc/cfghooks.c:269
0x959a2d checking_verify_flow_info
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201115/work/gcc-11-20201115/gcc/cfghooks.h:212
0x959a2d commit_edge_insertions()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201115/work/gcc-11-20201115/gcc/cfgrtl.c:2114
0xace414 thread_prologue_and_epilogue_insns()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201115/work/gcc-11-20201115/gcc/function.c:6074
0xace6a6 rest_of_handle_thread_prologue_and_epilogue
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201115/work/gcc-11-20201115/gcc/function.c:6500
0xace6a6 execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20201115/work/gcc-11-20201115/gcc/function.c:6576
