https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61440
Jacek Sieka <arnetheduck at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |arnetheduck at gmail dot com --- Comment #3 from Jacek Sieka <arnetheduck at gmail dot com> --- I'm seeing the same issue with 4.9.2 and bootstrap-lto. Trying to compile with binutils 2.24 (self built), gcc-4.9.2 on Fedora 20 (gcc version 4.8.3 20140911 (Red Hat 4.8.3-7) (GCC)) (based on compile script here: http://joelinoff.com/blog/?p=1604#more-1604) Configure: configure --disable-cloog-version-check --disable-ppl-version-check --enable-cloog-backend=isl --enable-gold=default --enable-languages=c,c++ --enable-lto --enable-libssp --enable-plugins --enable-plugin --disable-multilib --with-build-config=bootstrap-lto --prefix=/home/jacek.sieka/Downloads/rtf --with-cloog=/home/jacek.sieka/Downloads/rtf --with-gmp=/home/jacek.sieka/Downloads/rtf --with-mlgmp=/home/jacek.sieka/Downloads/rtf --with-mpc=/home/jacek.sieka/Downloads/rtf --with-mpfr=/home/jacek.sieka/Downloads/rtf --with-ppl=/home/jacek.sieka/Downloads/rtf Error: Comparing stages 2 and 3 warning: gcc/cc1plus-checksum.o differs warning: gcc/cc1-checksum.o differs Bootstrap comparison failure! gcc/tree-vrp.o differs gcc/cfgloop.o differs gcc/regcprop.o differs gcc/lto-cgraph.o differs gcc/build/genconfig.o differs gcc/build/genpeep.o differs gcc/except.o differs gcc/cgraphunit.o differs gcc/cfgrtl.o differs gcc/tree-switch-conversion.o differs gcc/ipa-devirt.o differs gcc/emit-rtl.o differs gcc/gimple.o differs gcc/sel-sched.o differs gcc/omp-low.o differs gcc/dwarf2cfi.o differs gcc/i386.o differs gcc/reload1.o differs gcc/tree-ssa-loop-ivcanon.o differs gcc/tree-inline.o differs gcc/dwarf2out.o differs gcc/tree-ssa-uninit.o differs gcc/varasm.o differs gcc/tree-eh.o differs gcc/function.o differs gcc/ipa-inline-analysis.o differs gcc/tree-ssa-pre.o differs gcc/lto-streamer-out.o differs gcc/cfgloopmanip.o differs gcc/dbxout.o differs gcc/cp/pt.o differs gcc/cp/semantics.o differs gcc/cp/parser.o differs gcc/cp/name-lookup.o differs gcc/cp/cp-gimplify.o differs gcc/cp/class.o differs gcc/cfgexpand.o differs gcc/tree-outof-ssa.o differs gcc/coverage.o differs gcc/sel-sched-ir.o differs gcc/tree-ssa-propagate.o differs gcc/tree-sra.o differs gcc/tree-cfg.o differs gcc/gimple-low.o differs gcc/c-family/c-pragma.o differs gcc/c-family/c-ada-spec.o differs gcc/c/c-parser.o differs gcc/c/c-typeck.o differs gcc/tree.o differs libcpp/lex.o differs Sample stage 2-3 diff: [~/Downloads/bld/gcc-4.9.2]$ readelf -S stage2-gcc/tree.o > /tmp/tree-s2 [~/Downloads/bld/gcc-4.9.2]$ readelf -S stage3-gcc/tree.o > /tmp/tree-s3 [~/Downloads/bld/gcc-4.9.2]$ diff -u /tmp/tree-s2 /tmp/tree-s3 --- /tmp/tree-s2 2014-12-02 09:35:10.629770887 +0800 +++ /tmp/tree-s3 2014-12-02 09:35:15.189781714 +0800 @@ -862,22 +862,22 @@ [428] .gnu.lto_.refs.0 PROGBITS 0000000000000000 000a8966 0000000000000b61 0000000000000000 E 0 0 1 [429] .gnu.lto_.decls.0 PROGBITS 0000000000000000 000a94c7 - 00000000000669b9 0000000000000000 E 0 0 1 - [430] .gnu.lto_.symtab. PROGBITS 0000000000000000 0010fe80 + 00000000000669a7 0000000000000000 E 0 0 1 + [430] .gnu.lto_.symtab. PROGBITS 0000000000000000 0010fe6e 0000000000005b46 0000000000000000 E 0 0 1 - [431] .gnu.lto_.opts PROGBITS 0000000000000000 001159c6 + [431] .gnu.lto_.opts PROGBITS 0000000000000000 001159b4 00000000000000a2 0000000000000000 E 0 0 1 - [432] .text.unlikely PROGBITS 0000000000000000 00115a68 + [432] .text.unlikely PROGBITS 0000000000000000 00115a56 0000000000000000 0000000000000000 AX 0 0 2 - [433] .text.unlikely._Z PROGBITS 0000000000000000 00115a68 + [433] .text.unlikely._Z PROGBITS 0000000000000000 00115a56 0000000000000000 0000000000000000 AXG 0 0 2 - [434] .text._ZN19simple PROGBITS 0000000000000000 00115a70 + [434] .text._ZN19simple PROGBITS 0000000000000000 00115a60 0000000000000002 0000000000000000 AXG 0 0 16 - [435] .rodata.str1.8 PROGBITS 0000000000000000 00115a78 + [435] .rodata.str1.8 PROGBITS 0000000000000000 00115a68 00000000000002d3 0000000000000001 AMS 0 0 8 - [436] .text.unlikely._Z PROGBITS 0000000000000000 00115d4c + [436] .text.unlikely._Z PROGBITS 0000000000000000 00115d3c 0000000000000000 0000000000000000 AXG 0 0 2 - [437] .text._ZN19simple PROGBITS 0000000000000000 00115d50 + [437] .text._ZN19simple PROGBITS 0000000000000000 00115d40 0000000000000005 0000000000000000 AXG 0 0 16 [438] .rela.text._ZN19s RELA 0000000000000000 002088f0 0000000000000018 0000000000000018 465 437 8