[Bug fortran/30877] New: incorrect error message for valid code

[jv244 at cam dot ac dot uk]

With recent trunk, gfortran incorrectly generates an error for the following
standard code:
MODULE M1
 INTERFACE OPERATOR(*)
  MODULE PROCEDURE F1
 END INTERFACE
CONTAINS
 FUNCTION F1(a,b) RESULT (c)
  COMPLEX, dimension(2,2), INTENT(IN) :: a
  COMPLEX, dimension(2), INTENT(IN)   :: b
  COMPLEX, dimension(2)   :: c
  c=matmul(a,b)
 END FUNCTION F1
END MODULE M1

USE M1
COMPLEX, dimension(2,2) :: a
COMPLEX, dimension(2)   :: b
COMPLEX, dimension(2)   :: c
a=0 ; b=0
c=a*b
END


-- 
           Summary: incorrect error message for valid code
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jv244 at cam dot ac dot uk


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30877