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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gfortran.dg/c_by_val_5.f90 | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.dg/c_by_val_5.f90')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.dg/c_by_val_5.f90 | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.dg/c_by_val_5.f90 b/gcc-4.9/gcc/testsuite/gfortran.dg/c_by_val_5.f90 new file mode 100644 index 000000000..3a8bc3bf7 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.dg/c_by_val_5.f90 @@ -0,0 +1,67 @@ +! { dg-do run } +! Overwrite -pedantic setting: +! { dg-options "-Wall" } +! +! Tests the fix for PR31668, in which %VAL was rejected for +! module and internal procedures. +! + +subroutine bmp_write(nx) + implicit none + integer, value :: nx + if(nx /= 10) call abort() + nx = 11 + if(nx /= 11) call abort() +end subroutine bmp_write + +module x + implicit none + ! The following interface does in principle + ! not match the procedure (missing VALUE attribute) + ! However, this occures in real-world code calling + ! C routines where an interface is better than + ! "external" only. + interface + subroutine bmp_write(nx) + integer, value :: nx + end subroutine bmp_write + end interface +contains + SUBROUTINE Grid2BMP(NX) + INTEGER, INTENT(IN) :: NX + if(nx /= 10) call abort() + call bmp_write(%val(nx)) + if(nx /= 10) call abort() + END SUBROUTINE Grid2BMP +END module x + +! The following test is possible and +! accepted by other compilers, but +! does not make much sense. +! Either one uses VALUE then %VAL is +! not needed or the function will give +! wrong results. +! +!subroutine test() +! implicit none +! integer :: n +! n = 5 +! if(n /= 5) call abort() +! call test2(%VAL(n)) +! if(n /= 5) call abort() +! contains +! subroutine test2(a) +! integer, value :: a +! if(a /= 5) call abort() +! a = 2 +! if(a /= 2) call abort() +! end subroutine test2 +!end subroutine test + +program main + use x + implicit none +! external test + call Grid2BMP(10) +! call test() +end program main |