https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85770
Bug ID: 85770 Summary: [9 Regression] ICE: in lra_eliminate, at lra-eliminations.c:1439 with -march=nano-1000 Product: gcc Version: 9.0 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 44128 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44128&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -march=nano-1000 -fnon-call-exceptions -fno-tree-coalesce-vars testcase.c during RTL pass: reload testcase.c: In function 'foo': testcase.c:13:1: internal compiler error: in lra_eliminate, at lra-eliminations.c:1439 } ^ 0xba5ed0 lra_eliminate(bool, bool) /repo/gcc-trunk/gcc/lra-eliminations.c:1439 0xb82de9 lra(_IO_FILE*) /repo/gcc-trunk/gcc/lra.c:2555 0xb26a19 do_reload /repo/gcc-trunk/gcc/ira.c:5465 0xb26a19 execute /repo/gcc-trunk/gcc/ira.c:5649 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-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-260223-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/9.0.0/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 --disable-bootstrap --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-260223-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix gcc version 9.0.0 20180514 (experimental) (GCC)