https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98403
Bug ID: 98403
Summary: [11 Regression] ICE: in add_def, at
rtl-ssa/accesses.cc:837 with -Og -march=goldmont -fPIC
-fcse-follow-jumps -fipa-ra -mforce-indirect-call
Product: gcc
Version: 11.0
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
Created attachment 49815
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49815&action=edit
auto-reduced testcase (from OpenTTD sources)
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Og -march=goldmont -fPIC -fcse-follow-jumps -fipa-ra
-mforce-indirect-call ai_gui.ii
during RTL pass: fwprop1
ai_gui.ii: In function 'void __static_initialization_and_destruction_0(int,
int)':
ai_gui.ii:191:58: internal compiler error: in add_def, at
rtl-ssa/accesses.cc:837
191 | SetDataTip(2, 3)};
| ^
0xa44aac rtl_ssa::function_info::add_def(rtl_ssa::def_info*)
/repo/gcc-trunk/gcc/rtl-ssa/accesses.cc:837
0x1e06fed rtl_ssa::function_info::apply_changes_to_insn(rtl_ssa::insn_change&)
/repo/gcc-trunk/gcc/rtl-ssa/changes.cc:540
0x1e0976f
rtl_ssa::function_info::change_insns(array_slice<rtl_ssa::insn_change*>)
/repo/gcc-trunk/gcc/rtl-ssa/changes.cc:707
0x1e09957 rtl_ssa::function_info::change_insn(rtl_ssa::insn_change&)
/repo/gcc-trunk/gcc/rtl-ssa/changes.cc:715
0x1cdea78 try_fwprop_subst_pattern
/repo/gcc-trunk/gcc/fwprop.c:530
0x1cdea78 try_fwprop_subst
/repo/gcc-trunk/gcc/fwprop.c:603
0x1cdf1a0 forward_propagate_and_simplify
/repo/gcc-trunk/gcc/fwprop.c:801
0x1cdf1a0 forward_propagate_into
/repo/gcc-trunk/gcc/fwprop.c:861
0x1cdf48b forward_propagate_into
/repo/gcc-trunk/gcc/fwprop.c:813
0x1cdf48b fwprop_insn
/repo/gcc-trunk/gcc/fwprop.c:918
0x1cdf569 fwprop
/repo/gcc-trunk/gcc/fwprop.c:970
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-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-6272-20201220001621-geb460c5986b-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/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
--with-cloog --with-ppl --with-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-r11-6272-20201220001621-geb460c5986b-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20201220 (experimental) (GCC)
