[Bug middle-end/37243] [4.4 Regression] Revision 139590 caused many regressions

["Joey dot ye at intel dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #11 from Joey dot ye at intel dot com  2008-08-28 06:14 -------
(In reply to comment #4)
> We got
>   Running 416.gamess ref base lnx32-gcc default
> 416.gamess: copy #0 non-zero return code (rc=0, signal=11)
> 416.gamess: copy #0 non-zero return code (rc=0, signal=11)
> 416.gamess: copy #0 non-zero return code (rc=0, signal=11)
> We will try to find a small testcase.
Small case available:
$ cat case.f
      SUBROUTINE SCHMD(V,M,N,LDV)
      IMPLICIT DOUBLE PRECISION(A-H,O-Z)
      LOGICAL GOPARR,DSKWRK,MASWRK
      DIMENSION V(LDV,N)
      COMMON /IOFILE/ IR,IW,IP,IS,IPK,IDAF,NAV,IODA(400)
      COMMON /PAR   / ME,MASTER,NPROC,IBTYP,IPTIM,GOPARR,DSKWRK,MASWRK
      PARAMETER (ZERO=0.0D+00, ONE=1.0D+00, TOL=1.0D-10)
      IF (M .EQ. 0) GO TO 180
      DO 160 I = 1,M
      DUMI = ZERO
      DO 100 K = 1,N
  100 DUMI = DUMI+V(K,I)*V(K,I)
      DUMI = ONE/ SQRT(DUMI)
      DO 120 K = 1,N
  120 V(K,I) = V(K,I)*DUMI
      IF (I .EQ. M) GO TO 160
      I1 = I+1
      DO 140 J = I1,M
      DUM = -DDOT(N,V(1,J),1,V(1,I),1)
      CALL DAXPY(N,DUM,V(1,I),1,V(1,J),1)
  140 CONTINUE
  160 CONTINUE
      IF (M .EQ. N) RETURN
  180 CONTINUE
      I = M
      J = 0
  200 I0 = I
      I = I+1
      IF (I .GT. N) RETURN
  220 J = J+1
      IF (J .GT. N) GO TO 320
      DO 240 K = 1,N
  240 V(K,I) = ZERO
      CALL DAXPY(N,DUM,V(1,II),1,V(1,I),1)
  260 CONTINUE
      DUMI = ZERO
      DO 280 K = 1,N
  280 DUMI = DUMI+V(K,I)*V(K,I)
      IF ( ABS(DUMI) .LT. TOL) GO TO 220
      DO 300 K = 1,N
  300 V(K,I) = V(K,I)*DUMI
      GO TO 200
  320 END
      program main
      DOUBLE PRECISION V
      DIMENSION V(18, 18)
      common // v

      call schmd(V, 1, 18, 18)
      end

      subroutine DAXPY
      end

      FUNCTION DDOT ()
      DOUBLE PRECISION DDOT
      DDOT = 1
      end

$ gfortran -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../src/configure --disable-bootstrap
--enable-languages=c,c++,fortran --enable-checking=assert
Thread model: posix
gcc version 4.4.0 20080826 (experimental) [trunk revision 139590] (GCC) 
$ gfortran -O2 -o case.exe case.f -m32
$ ./case.exe
Segmentation fault

$ gfortran -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../src/configure --disable-bootstrap
--enable-languages=c,c++,fortran --enable-checking=assert
Thread model: posix
gcc version 4.4.0 20080826 (experimental) [trunk revision 139589] (GCC) 
$ gfortran -O2 -o case.exe case.f -m32
$ ./case.exe
$


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37243