https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93995
Bug ID: 93995
Summary: ICE in patch_jump_insn, at cfgrtl.c:1290 on
riscv64-linux-gnu
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: riscv64-linux-gnu
I see the following ICE:
$ riscv64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr50310-2.c
-fno-trapping-math
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr50310-2.c: In function
‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: internal
compiler error: in patch_jump_insn, at cfgrtl.c:1290
47 | }
| ^
0x5a247f patch_jump_insn
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgrtl.c:1290
0x7009be redirect_branch_edge
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgrtl.c:1317
0x700e42 rtl_redirect_edge_and_branch
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgrtl.c:1450
0x6ef219 redirect_edge_and_branch(edge_def*, basic_block_def*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfghooks.c:373
0xf9fbdc try_forward_edges
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgcleanup.c:562
0xf9fbdc try_optimize_cfg
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgcleanup.c:2960
0xf9fbdc cleanup_cfg(int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgcleanup.c:3174
0x6ecf11 execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-riscv64/build/gcc/cfgexpand.c:6670
