Peter Steinfeld ea4973f206 [flang] Improve error message on bad LOGICAL compare operations
When comparing LOGICAL operands using ".eq." or ".ne." we were not
guiding users to the ".eqv." and ".neqv." operations.

Differential Revision: https://reviews.llvm.org/D91736
2020-11-18 13:53:29 -08:00

14 lines
417 B
Fortran

! RUN: %S/test_errors.sh %s %t %f18
! Errors when comparing LOGICAL operands
program testCompare
logical flag1, flag2
if (flag1 .eqv. .false.) continue
if (flag1 .neqv. flag2) continue
!ERROR: LOGICAL operands must be compared using .EQV. or .NEQV.
if (flag1 .eq. .false.) continue
!ERROR: LOGICAL operands must be compared using .EQV. or .NEQV.
if (flag1 .ne. flag2) continue
end program testCompare