https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101157
Bug ID: 101157
Summary: [12 regression] ICE compiling
gcc.target/powerpc/stack-limit.c after r12-1702
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:7232f7c4c2d727431096a7ecfcf4ad4db71dcf2a, r12-1702
make -k check-gcc RUNTESTFLAGS="powerpc.exp=gcc.target/powerpc/stack-limit.c"
FAIL: gcc.target/powerpc/stack-limit.c (internal compiler error)
FAIL: gcc.target/powerpc/stack-limit.c (test for excess errors)
# of unexpected failures 2
I saw this on a powerpc64 power 9 machine.
commit 7232f7c4c2d727431096a7ecfcf4ad4db71dcf2a (HEAD)
Author: Jason Merrill <ja...@redhat.com>
Date: Sun Jun 13 14:00:12 2021 -0400
Executing on host: /home3/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled146254.cc
-fdiagnostics-plain-output -S -o exceptions_enabled146254.s (timeout = 300)
spawn -ignore SIGHUP /home3/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home3/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled146254.cc
-fdiagnostics-plain-output -S -o exceptions_enabled146254.s
FAIL: gcc.target/powerpc/stack-limit.c (test for excess errors)
Excess errors:
during RTL pass: pro_and_epilogue
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.target/powerpc/stack-limit.c:10:1:
internal compiler error: in df_ref_record, at df-scan.c:2598
0x1059b0df df_ref_record
/home/seurer/gcc/git/gcc-test/gcc/df-scan.c:2598
0x1059bee7 df_uses_record
/home/seurer/gcc/git/gcc-test/gcc/df-scan.c:2888
0x1059c84f df_insn_refs_collect
/home/seurer/gcc/git/gcc-test/gcc/df-scan.c:3212
0x1059f07f df_insn_rescan(rtx_insn*)
/home/seurer/gcc/git/gcc-test/gcc/df-scan.c:1087
0x106554e7 emit_insn_after_1
/home/seurer/gcc/git/gcc-test/gcc/emit-rtl.c:4595
0x106554e7 emit_pattern_after_noloc
/home/seurer/gcc/git/gcc-test/gcc/emit-rtl.c:4643
0x1050e14f commit_one_edge_insertion(edge_def*)
/home/seurer/gcc/git/gcc-test/gcc/cfgrtl.c:2051
0x10513d57 commit_edge_insertions()
/home/seurer/gcc/git/gcc-test/gcc/cfgrtl.c:2103
0x1073e6d7 thread_prologue_and_epilogue_insns()
/home/seurer/gcc/git/gcc-test/gcc/function.c:6147
0x1073edaf rest_of_handle_thread_prologue_and_epilogue
/home/seurer/gcc/git/gcc-test/gcc/function.c:6521
0x1073edaf execute
/home/seurer/gcc/git/gcc-test/gcc/function.c:6597
