https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99450
Bug ID: 99450 Summary: ICE: unrecognizable insn with lto build Product: gcc Version: 10.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto Assignee: unassigned at gcc dot gnu.org Reporter: doko at debian dot org CC: marxin at gcc dot gnu.org Target Milestone: --- seen with the gcc-10 branch 20210306 on x86_64-linux-gnu, building the emoslib 4.5.9 package. the package fails with other issues building with trunk. $ gfortran -Wl,-z,defs -Wl,--as-needed -flto=auto -Wl,-z,relro -Wl,--disable-new-dtags -g -O2 -ffile-prefix-map=/packages/tmp/emoslib-4.5.9=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fallow-argument-mismatch -ffixed-line-length-none -fcray-pointer -fno-second-underscore -Wuninitialized -Wunused-variable -Wno-maybe-uninitialized -DSHAREDMEMORY -fdefault-real-8 -fdefault-double-8 -fdefault-real-8 -fdefault-double-8 -O3 -DNDEBUG -funroll-all-loops -finline-functions -O2 CMakeFiles/bufr_0t2.dir/bufr_0t2.F.o -o ../../usr/bin/bufr_0t2 -Wl,-rpath,$ORIGIN/../lib libmy_exit.a ../../usr/lib/x86_64-linux-gnu/libemosR64.a /usr/lib/x86_64-linux-gnu/libeccodes.so.0 -lpng -laec -lm /usr/lib/x86_64-linux-gnu/libopenjp2.so -lpthread /usr/lib/x86_64-linux-gnu/libfftw3.so ../../libemos-dp/./bufrdc_wmo/buens4.F:268:57: warning: type of ‘bugbytesr4’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bugbytesR4.F:11:28: note: ‘bugbytesr4’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bugbytesR4.F:11:28: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/buens4.F:275:56: warning: type of ‘bugbytesr8’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bugbytesR8.F:11:28: note: ‘bugbytesr8’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bugbytesR8.F:11:28: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./pbio/pbbufr.F:90:57: warning: type of ‘bufrread’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./pbio/pbio.c:1288:6: note: ‘bufrread_’ was previously declared here ../../libemos-dp/./pbio/pbio.c:1288:6: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcmctc.F:13:21: warning: type of ‘bcmctc’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcmctc.F:13:21: note: ‘bcmctc’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcmctc.F:13:21: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcmwtc.F:12:21: warning: type of ‘bcmwtc’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcmwtc.F:12:21: note: ‘bcmwtc’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcmwtc.F:12:21: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcmroot.F:11:22: warning: type of ‘bcmroot’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcmroot.F:11:22: note: ‘bcmroot’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcmroot.F:11:22: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcomctc.F:13:22: warning: type of ‘bcomctc’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcomctc.F:13:22: note: ‘bcomctc’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcomctc.F:13:22: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcomroot.F:12:23: warning: type of ‘bcomroot’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcomroot.F:12:23: note: ‘bcomroot’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcomroot.F:12:23: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcomtabloadc.F:12:28: warning: type of ‘bcomtabloadc’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcomtabloadc.F:12:28: note: ‘bcomtabloadc’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcomtabloadc.F:12:28: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ../../libemos-dp/./bufrdc_wmo/bcomdefc.F:12:23: warning: type of ‘bcomdefc’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./bufrdc_wmo/bcomdefc.F:12:23: note: ‘bcomdefc’ was previously declared here ../../libemos-dp/./bufrdc_wmo/bcomdefc.F:12:23: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ./tools/bufrtools_wmo/bufr_0t2.F:138:47: warning: type of ‘pbopen’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./pbio/pbio.c:84:6: note: type mismatch in parameter 5 ../../libemos-dp/./pbio/pbio.c:84:6: note: type ‘int’ should match type ‘long int’ ../../libemos-dp/./pbio/pbio.c:84:6: note: ‘pbopen_’ was previously declared here ../../libemos-dp/./pbio/pbio.c:84:6: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ./tools/bufrtools_wmo/bufr_0t2.F:208:47: warning: type of ‘pbwrite’ does not match original declaration [-Wlto-type-mismatch] ../../libemos-dp/./pbio/pbio.c:721:6: note: ‘pbwrite_’ was previously declared here ../../libemos-dp/./pbio/pbio.c:721:6: note: code may be misoptimized unless ‘-fno-strict-aliasing’ is used ./tools/bufrtools_wmo/bufr_0t2.F: In function ‘bufr0t2’: ./tools/bufrtools_wmo/bufr_0t2.F:473:9: error: unrecognizable insn: (insn 1547 1546 1548 125 (set (reg:DI 1180) (const:DI (plus:DI (symbol_ref:DI ("values.6.lto_priv.0") [flags 0x202] <var_decl 0x7f39d9dc3b40 values>) (const_int -8 [0xfffffffffffffff8])))) "./tools/bufrtools_wmo/bufr_0t2.F":1957:15 -1 (nil)) during RTL pass: vregs ./tools/bufrtools_wmo/bufr_0t2.F:473:9: internal compiler error: in extract_insn, at recog.c:2294 0x7f39da22dd09 __libc_start_main ../csu/libc-start.c:308 Please submit a full bug report, with preprocessed source if appropriate.