https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83422
Bug ID: 83422
Summary: [8 Regression] ICE: in final_scan_insn, at
final.c:2429 after "variable tracking size limit
exceeded with -fvar-tracking-assignments, retrying
without"
Product: gcc
Version: 8.0
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: x86_64-pc-linux-gnu
Created attachment 42880
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42880&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -g --param=max-vartrack-size=1 testcase.c
testcase.c: In function 'foo':
testcase.c:2:1: note: variable tracking size limit exceeded with
-fvar-tracking-assignments, retrying without
foo(int i, int j, int k)
^~~
during RTL pass: final
testcase.c:5:1: internal compiler error: in final_scan_insn, at final.c:2429
}
^
0x9a1102 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
/repo/gcc-trunk/gcc/final.c:2429
0x9a1531 final(rtx_insn*, _IO_FILE*, int)
/repo/gcc-trunk/gcc/final.c:2064
0x9a1f61 rest_of_handle_final
/repo/gcc-trunk/gcc/final.c:4551
0x9a1f61 execute
/repo/gcc-trunk/gcc/final.c:4625
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-trunk-255606-checking-yes-rtl-df-extra-nographite-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-255606-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/8.0.0/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-255606-checking-yes-rtl-df-extra-nographite-amd64
Thread model: posix
gcc version 8.0.0 20171213 (experimental) (GCC)
Tested revisions:
r255624 - FAIL
r255606 - FAIL
r255576 - FAIL
r255554 - OK
