------- Comment #1 from burnus at gcc dot gnu dot org 2007-02-06 16:52 ------- Confirmed. It crashes with -O but not without optimization.
Reduced test case: Subroutine xcc_V_CONVERT(iepoch) implicit none logical :: IEPOCH real :: XVECTOR(1:3) real :: YVECTOR(1:3) xvector = 0.0 if (iepoch) then yvector(1:3)=xvector(1:3) endif end subroutine xcc_v_convert #1 0x0000000000551e7d in operand_equal_p (arg0=0x2b493e8fecc0, arg1=0x2b493e81b440, flags=0) at gcc/fold-const.c:2577 #2 0x000000000057977f in fold_ternary (code=COND_EXPR, type=0x2b493e82b0c0, op0=0x2b493e81b200, op1=0x2b493e8fecc0, op2=0x2b493e81b440) at gcc/fold-const.c:11773 #3 0x000000000057a9a1 in fold_build3_stat (code=10473456, type=0xa11, op0=0x9fcec0, op1=0xa, op2=0x70) at gcc/fold-const.c:12423 #4 0x0000000000497321 in gfc_trans_if_1 (code=0xe60c40) at gcc/fortran/trans-stmt.c:612 #5 0x0000000000468183 in gfc_trans_code (code=0xe61150) at gcc/fortran/trans.c:531 -- burnus at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |burnus at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 GCC build triplet|i686-pc-linux-gnu | GCC host triplet|i686-pc-linux-gnu | GCC target triplet|i686-pc-linux-gnu | Last reconfirmed|0000-00-00 00:00:00 |2007-02-06 16:52:39 date| | Summary|[fortran, 4.3 regression]: |[4.3 regression]: ICE in |ICE in operand_equal_p() |operand_equal_p() with -O http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30715