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! { dg-do compile }

! { dg-options "-std=legacy" }

!

! PR 33269: we used to not simplify format strings before checking if

! they were valid, leading to a missed error.

IMPLICIT CHARACTER*5 (h-z)

CHARACTER*5 f

CHARACTER*5 bad, good

parameter(bad="a", good="(a)")

PRINT ('a'), "hello" ! { dg-error "Missing leading left parenthesis in format string" }

WRITE (*, ("a")) "error"  ! { dg-error "Missing leading left parenthesis in format string" }

PRINT 'a', "hello" ! { dg-error "Missing leading left parenthesis in format string" }

WRITE (*, "a") "error"  ! { dg-error "Missing leading left parenthesis in format string" }

WRITE (*, bad) "error"  ! { dg-error "Missing leading left parenthesis in format string" }

PRINT 'a' // ', a', "err", "or"   ! { dg-error "Missing leading left parenthesis in format string" }

PRINT '(' // 'a'  ! { dg-error "Unexpected end of format string in format string" }

! the following are ok

PRINT "(2f5.3)", bar, foo

PRINT ' (a)', "hello"

WRITE (*, " ((a))") "hello"

print "(a" // ")", "all is fine"

print good, "great"

! verify that we haven't broken non-constant expressions

f = "(f5.3)"

print f, 3.14159

print (f), 2.71813

print implicitly_typed, "something"

write (*, implicitly_typed_as_well) "something else"

END