https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77834
Bug ID: 77834
Summary: [7 Regression] ICE: in make_decl_rtl, at varasm.c:1311
with -O -ftree-pre -mstringop-strategy=libcall
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Build: x86_64-pc-linux-gnu
Created attachment 39745
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39745&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -ftree-pre -mstringop-strategy=libcall testcase.c
-Wno-psabi
testcase.c: In function 'foo':
testcase.c:12:1: internal compiler error: in make_decl_rtl, at varasm.c:1311
}
^
0xed8c18 make_decl_rtl(tree_node*)
/repo/gcc-trunk/gcc/varasm.c:1307
0x6f7020 nonoverlapping_memrefs_p(rtx_def const*, rtx_def const*, bool)
/repo/gcc-trunk/gcc/alias.c:2757
0x6f80e5 write_dependence_p
/repo/gcc-trunk/gcc/alias.c:3033
0x6f846f canon_anti_dependence(rtx_def const*, bool, rtx_def const*,
machine_mode, rtx_def*)
/repo/gcc-trunk/gcc/alias.c:3060
0x7978c5 cselib_invalidate_mem
/repo/gcc-trunk/gcc/cselib.c:2265
0x799a7b cselib_record_sets
/repo/gcc-trunk/gcc/cselib.c:2557
0x79abf6 cselib_process_insn(rtx_insn*)
/repo/gcc-trunk/gcc/cselib.c:2671
0xae9247 reload_cse_regs_1
/repo/gcc-trunk/gcc/postreload.c:217
0xaebfbd reload_cse_regs
/repo/gcc-trunk/gcc/postreload.c:67
0xaebfbd execute
/repo/gcc-trunk/gcc/postreload.c:2342
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-240677-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/7.0.0/lto-wrapper
Target: x86_64-pc-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 --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-240677-checking-yes-rtl-df-extra-nographite-amd64
Thread model: posix
gcc version 7.0.0 20160930 (experimental) (GCC)
