[Bug tree-optimization/57517] [4.7/4.8/4.9 Regression] internal compiler error: in eliminate_temp_copies, at tree-predcom.c:1913
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Nov 18 14:40:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57517
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ok, so we are having a combined chain where the combination is in a
conditional path.
Reduced testcase:
SUBROUTINE cal_helicity (uh, ph, phb, wavg, ims, ime, its, ite)
INTEGER, INTENT( IN ) :: ims, ime, its, ite
REAL, DIMENSION( ims:ime), INTENT( IN ) :: ph, phb, wavg
REAL, DIMENSION( ims:ime), INTENT( INOUT ) :: uh
INTEGER :: i
REAL :: zu
DO i = its, ite
zu = (ph(i ) + phb(i)) + (ph(i-1) + phb(i-1))
IF (wavg(i) .GT. 0) THEN
uh(i) = uh(i) + zu
ENDIF
END DO
END SUBROUTINE cal_helicity
which again fails on trunk as well.
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