http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58269
Bug ID: 58269 Summary: [4.9 Regression] ICE when building libobjc on x86_64-apple-darwin10 after revision 201915 Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dominiq at lps dot ens.fr CC: iains at gcc dot gnu.org, kyukhin at gcc dot gnu.org Host: x86_64-apple-darwin10 Target: x86_64-apple-darwin10 Build: x86_64-apple-darwin10 Created attachment 30715 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30715&action=edit Preprocessed file On x86_64-apple-darwin10 building libobjc gives the following ICE after revision 201915 ... libtool: compile: /opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/ -B/opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/bin/ -B/opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/lib/ -isystem /opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/include -isystem /opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/sys-include /opt/gcc/work/libobjc/sendmsg.c -c -I. -I/opt/gcc/work/libobjc -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -DIN_GCC -DIN_TARGET_LIBS -fno-strict-aliasing -fexceptions -I/opt/gcc/work/libobjc/../gcc -I/opt/gcc/work/libobjc/../gcc/config -I../.././gcc -I/opt/gcc/work/libobjc/../libgcc -I../libgcc -I/opt/gcc/work/libobjc/../include -fno-common -DPIC -o .libs/sendmsg.o /opt/gcc/work/libobjc/sendmsg.c: In function '__objc_word_forward': /opt/gcc/work/libobjc/sendmsg.c:848:1: internal compiler error: in check_rtl, at lra.c:2034 } ^ /opt/gcc/work/libobjc/sendmsg.c:848:1: internal compiler error: Abort trap xgcc: internal compiler error: Abort trap (program cc1) ./libtool: line 1147: 70450 Abort trap /opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/ -B/opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/bin/ -B/opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/lib/ -isystem /opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/include -isystem /opt/gcc/gcc4.9w/x86_64-apple-darwin10.8.0/sys-include /opt/gcc/work/libobjc/sendmsg.c -c -I. -I/opt/gcc/work/libobjc -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -DIN_GCC -DIN_TARGET_LIBS -fno-strict-aliasing -fexceptions -I/opt/gcc/work/libobjc/../gcc -I/opt/gcc/work/libobjc/../gcc/config -I../.././gcc -I/opt/gcc/work/libobjc/../libgcc -I../libgcc -I/opt/gcc/work/libobjc/../include -fno-common -DPIC -o .libs/sendmsg.o make[2]: *** [sendmsg.lo] Error 1 make[1]: *** [all-target-libobjc] Error 2 ... This can be reproduced with the attached preprocessed file without option: [macbook] f90/bug% gcc49 -c sendmsg.i /opt/gcc/work/libobjc/sendmsg.c: In function '__objc_word_forward': /opt/gcc/work/libobjc/sendmsg.c:848:1: internal compiler error: in check_rtl, at lra.c:2034 } ^ /opt/gcc/work/libobjc/sendmsg.c:848:1: internal compiler error: Abort trap gcc49: internal compiler error: Abort trap (program cc1) Abort If gcc is configured with --enable-checking=release, the ICE is [macbook] f90/bug% /opt/gcc/gcc4.9p-201916/bin/gcc -c sendmsg.i /opt/gcc/work/libobjc/sendmsg.c: In function '__objc_word_forward': /opt/gcc/work/libobjc/sendmsg.c:848:1: error: insn does not satisfy its constraints: } ^ (insn 112 44 45 2 (set (reg:TI 45 xmm8 [89]) (reg:TI 53 )) /opt/gcc/work/libobjc/sendmsg.c:842 84 {*movti_internal} (expr_list:REG_DEAD (reg:TI 53 ) (nil))) /opt/gcc/work/libobjc/sendmsg.c:848:1: internal compiler error: in extract_constrain_insn_cached, at recog.c:2073 /opt/gcc/work/libobjc/sendmsg.c:848:1: internal compiler error: Abort trap gcc: internal compiler error: Abort trap (program cc1) Abort The file compiles at r201908.