[Bug fortran/40011] Problems with -fwhole-file

[jv244 at cam dot ac dot uk]

------- Comment #42 from jv244 at cam dot ac dot uk  2009-07-28 07:37 -------
another issue I found is this:

> gfortran -fwhole-file test.f90
/tmp/cciOiaMB.o: In function `__m_MOD_b':
test.f90:(.text+0xa): undefined reference to `c_'
collect2: ld returned 1 exit status

> cat test.f90

SUBROUTINE c()
 CALL a()
END SUBROUTINE c

SUBROUTINE a()
END SUBROUTINE a


MODULE M
CONTAINS
 SUBROUTINE b()
   CALL c()
 END SUBROUTINE
END MODULE


USE M
CALL b()
END

things link fine if I swap the order of definition of the subroutines 'a' and
'c'

it is similar to PR40873, but happens with just -fwhole-file.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40011