https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90280
Bug ID: 90280
Summary: [9/10 Regression] ICE: in lra_assign, at
lra-assigns.c:1650 with -O -fno-dce
-fno-forward-propagate -fno-omit-frame-pointer
Product: gcc
Version: 10.0
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: armv7a-hardfloat-linux-gnueabi
Created attachment 46263
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46263&action=edit
reduced testcase
Compiler output:
$ armv7a-hardfloat-linux-gnueabi-gcc -O -fno-dce -fno-forward-propagate
-fno-omit-frame-pointer testcase.c
during RTL pass: reload
testcase.c: In function 'foo':
testcase.c:13:1: internal compiler error: in lra_assign, at lra-assigns.c:1650
13 | }
| ^
0xc3093a lra_assign(bool&)
/repo/gcc-trunk/gcc/lra-assigns.c:1650
0xc2a5ca lra(_IO_FILE*)
/repo/gcc-trunk/gcc/lra.c:2534
0xbd5369 do_reload
/repo/gcc-trunk/gcc/ira.c:5516
0xbd5369 execute
/repo/gcc-trunk/gcc/ira.c:5700
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.
$ armv7a-hardfloat-linux-gnueabi-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-armv7a-hardfloat/bin/armv7a-hardfloat-linux-gnueabi-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-270639-checking-yes-rtl-df-extra-armv7a-hardfloat/bin/../libexec/gcc/armv7a-hardfloat-linux-gnueabi/10.0.0/lto-wrapper
Target: armv7a-hardfloat-linux-gnueabi
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 --with-float=hard --with-fpu=vfpv4
--with-arch=armv7-a --with-sysroot=/usr/armv7a-hardfloat-linux-gnueabi
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=armv7a-hardfloat-linux-gnueabi
--with-ld=/usr/bin/armv7a-hardfloat-linux-gnueabi-ld
--with-as=/usr/bin/armv7a-hardfloat-linux-gnueabi-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-270639-checking-yes-rtl-df-extra-armv7a-hardfloat
Thread model: posix
gcc version 10.0.0 20190429 (experimental) (GCC)
