http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59723
Bug ID: 59723 Summary: [4.9 Regression] ICE: in lto_output_tree, at lto-streamer-out.c:1390 when compiling some Fortran tests with -flto Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto Assignee: unassigned at gcc dot gnu.org Reporter: dominiq at lps dot ens.fr CC: hubicka at gcc dot gnu.org, rguenth at gcc dot gnu.org When compiling some Fortran tests with -flto one gets the following ICE: [Book15] f90/bug% /opt/gcc/gcc4.9a-205798/bin/gfortran -flto /opt/gcc/work/gcc/testsuite/gfortran.dg/namelist_64.f90 /opt/gcc/work/gcc/testsuite/gfortran.dg/namelist_64.f90: In function 'MAIN__': /opt/gcc/work/gcc/testsuite/gfortran.dg/namelist_64.f90:27:0: internal compiler error: in lto_output_tree, at lto-streamer-out.c:1390 end program ^ /opt/gcc/work/gcc/testsuite/gfortran.dg/namelist_64.f90:27:0: internal compiler error: Abort trap: 6 gfortran: internal compiler error: Abort trap: 6 (program f951) Abort r205305 (2013-11-23) compiles the tests, r205798 (2013-12-09) gives the ICE.