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From: "seurer at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/101157] [12 regression] ICE compiling
 gcc.target/powerpc/stack-limit.c after r12-1702
Date: Tue, 22 Jun 2021 15:26:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101157

--- Comment #3 from seurer at gcc dot gnu.org ---
OK, there is another similar error compiling a different test case traced to
the same revision.  And these are occurring on more than just power 10s.

Executing on host: /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled961334.cc=20=
=20=20
-fdiagnostics-plain-output  -S -o exceptions_enabled961334.s    (timeout =
=3D 300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/ exceptions_enabled961334.cc
-fdiagnostics-plain-output -S -o exceptions_enabled961334.s
FAIL: gcc.target/powerpc/pr48344-1.c (test for excess errors)
Excess errors:
during RTL pass: no-opt dfinit
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.target/powerpc/pr48344-1.c:=
8:1:
internal compiler error: in df_ref_record, at df-scan.c:2598
0x1057f137 df_ref_record
        /home/seurer/gcc/git/gcc-test/gcc/df-scan.c:2598
0x1057feab df_uses_record
        /home/seurer/gcc/git/gcc-test/gcc/df-scan.c:3033
0x1057fd97 df_uses_record
        /home/seurer/gcc/git/gcc-test/gcc/df-scan.c:2888
0x1058089f df_insn_refs_collect
        /home/seurer/gcc/git/gcc-test/gcc/df-scan.c:3212
0x105849bb df_bb_refs_record(int, bool)
        /home/seurer/gcc/git/gcc-test/gcc/df-scan.c:3339
0x1058520b df_scan_blocks()
        /home/seurer/gcc/git/gcc-test/gcc/df-scan.c:588
0x10563e47 rest_of_handle_df_initialize
        /home/seurer/gcc/git/gcc-test/gcc/df-core.c:715
0x10563e47 execute
        /home/seurer/gcc/git/gcc-test/gcc/df-core.c:747=