On Tue, 2024-04-30 17:24:15 -0400, Andrew MacLeod <amacl...@redhat.com> wrote: > Bootstrapped on x86_64-pc-linux-gnu with no regressions. pushed.
Starting with this patch (upstream as e8ae56a7dc46e39a48017bb5159e4dc672ec7fad, can still be reproduced with 0c585c8d0dd85601a8d116ada99126a48c8ce9fd as of May 13th), my CI builds fail for csky-elf in all-target-libgcc by falling into a loop infinite loop: ../gcc/configure '--with-pkgversion=basepoints/gcc-15-432-g0c585c8d0dd, built at 1715608899' \ --prefix=/tmp/gcc-csky-elf --enable-werror-always --enable-languages=all \ --disable-gcov --disable-shared --disable-threads --target=csky-elf --without-headers make V=1 all-gcc make V=1 install-strip-gcc make V=1 all-target-libgcc (gdb) bt #0 0x000000000098f1df in bitmap_list_find_element (head=0x38f2e18, indx=5001) at ../../gcc/gcc/bitmap.cc:375 #1 bitmap_set_bit (head=0x38f2e18, bit=640244) at ../../gcc/gcc/bitmap.cc:962 #2 0x0000000000d39cd1 in process_bb_lives (bb=<optimized out>, curr_point=@0x7ffe062c1b2c: 3039473, dead_insn_p=<optimized out>) at ../../gcc/gcc/lra-lives.cc:889 #3 lra_create_live_ranges_1 (all_p=all_p@entry=true, dead_insn_p=<optimized out>) at ../../gcc/gcc/lra-lives.cc:1416 #4 0x0000000000d3b810 in lra_create_live_ranges (all_p=all_p@entry=true, dead_insn_p=<optimized out>) at ../../gcc/gcc/lra-lives.cc:1486 #5 0x0000000000d1a8bd in lra (f=<optimized out>, verbose=<optimized out>) at ../../gcc/gcc/lra.cc:2482 #6 0x0000000000cd0e18 in do_reload () at ../../gcc/gcc/ira.cc:5973 #7 (anonymous namespace)::pass_reload::execute (this=<optimized out>) at ../../gcc/gcc/ira.cc:6161 #8 0x0000000000de6368 in execute_one_pass (pass=pass@entry=0x367c490) at ../../gcc/gcc/passes.cc:2647 #9 0x0000000000de6c00 in execute_pass_list_1 (pass=0x367c490) at ../../gcc/gcc/passes.cc:2756 #10 0x0000000000de6c12 in execute_pass_list_1 (pass=0x367b2f0) at ../../gcc/gcc/passes.cc:2757 #11 0x0000000000de6c39 in execute_pass_list (fn=0x7f24a1c06240, pass=<optimized out>) at ../../gcc/gcc/passes.cc:2767 #12 0x0000000000a188c6 in cgraph_node::expand (this=0x7f24a1bfaaa0) at ../../gcc/gcc/context.h:48 #13 cgraph_node::expand (this=0x7f24a1bfaaa0) at ../../gcc/gcc/cgraphunit.cc:1798 #14 0x0000000000a1a69b in expand_all_functions () at ../../gcc/gcc/cgraphunit.cc:2028 #15 symbol_table::compile (this=0x7f24a205b000) at ../../gcc/gcc/cgraphunit.cc:2404 #16 0x0000000000a1ccb8 in symbol_table::compile (this=0x7f24a205b000) at ../../gcc/gcc/cgraphunit.cc:2315 #17 symbol_table::finalize_compilation_unit (this=0x7f24a205b000) at ../../gcc/gcc/cgraphunit.cc:2589 #18 0x0000000000f0932d in compile_file () at ../../gcc/gcc/toplev.cc:476 #19 0x0000000000839648 in do_compile () at ../../gcc/gcc/toplev.cc:2158 #20 toplev::main (this=this@entry=0x7ffe062c1f2e, argc=<optimized out>, argc@entry=78, argv=<optimized out>, argv@entry=0x7ffe062c2058) at ../../gcc/gcc/toplev.cc:2314 #21 0x000000000083ad9e in main (argc=78, argv=0x7ffe062c2058) at ../../gcc/gcc/main.cc:39 (Loop is based in process_bb_lives(), looping in the FOR_BB_INSNS_REVERSE_SAFE (bb, curr_insn, next) block starting at about line 696.) MfG, JBG --
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