https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78400
Bug ID: 78400
Summary: [7 Regression] ICE: in df_refs_verify, at
df-scan.c:4045 when building powerpc crosscompiler
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: powerpc-unknown-linux-gnu
Build: x86_64-pc-linux-gnu
Created attachment 40072
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40072&action=edit
reduced testcase
Compiler output:
$ $
/repo/build-trunk-242552-checking-yes-rtl-df-extra-nographite-powerpc/./gcc/cc1
-quiet -O2 testcase.c
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: in df_refs_verify, at df-scan.c:4045
}
^
0x7924a2 df_refs_verify
/repo/gcc-trunk/gcc/df-scan.c:4045
0x797f30 df_insn_refs_verify
/repo/gcc-trunk/gcc/df-scan.c:4125
0x79a272 df_bb_verify
/repo/gcc-trunk/gcc/df-scan.c:4154
0x79a597 df_scan_verify()
/repo/gcc-trunk/gcc/df-scan.c:4286
0x782e78 df_verify()
/repo/gcc-trunk/gcc/df-core.c:1831
0x782efa df_analyze_1
/repo/gcc-trunk/gcc/df-core.c:1217
0xb8d304 try_shrink_wrapping_separate(basic_block_def*)
/repo/gcc-trunk/gcc/shrink-wrap.c:1694
0x8b0d7f thread_prologue_and_epilogue_insns()
/repo/gcc-trunk/gcc/function.c:5960
0x8b1572 rest_of_handle_thread_prologue_and_epilogue
/repo/gcc-trunk/gcc/function.c:6419
0x8b1572 execute
/repo/gcc-trunk/gcc/function.c:6461
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$
/repo/build-trunk-242552-checking-yes-rtl-df-extra-nographite-powerpc/./gcc/xgcc
-v
Using built-in specs.
COLLECT_GCC=/repo/build-trunk-242552-checking-yes-rtl-df-extra-nographite-powerpc/./gcc/xgcc
Target: powerpc-unknown-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--without-cloog --without-ppl --without-isl
--with-sysroot=/usr/powerpc-unknown-linux-gnu
--target=powerpc-unknown-linux-gnu --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=powerpc-unknown-linux-gnu
--with-ld=/usr/bin/powerpc-unknown-linux-gnu-ld
--with-as=/usr/bin/powerpc-unknown-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-242552-checking-yes-rtl-df-extra-nographite-powerpc
Thread model: posix
gcc version 7.0.0 20161117 (experimental) (GCC)
The compiler was configured with --enable-checking=yes,rtl,df,extra ; maybe df
checking is needed to reproduce.
