obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 24 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/interface_6.f90 b/gcc/testsuite/gfortran.dg/interface_6.f90
new file mode 100644
index 000000000..2e7f85afa
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/interface_6.f90
@@ -0,0 +1,24 @@
+! { dg-do compile }
+! One of the tests of the patch for PR30068.
+! Taken from the fortran 2003 standard C11.2.
+!
+! The standard specifies that the optional arguments should be
+! ignored in the counting of like type/kind, so the specific
+! procedures below are invalid, even though actually unambiguous.
+!
+INTERFACE BAD8
+  SUBROUTINE S8A(X,Y,Z)
+    REAL,OPTIONAL :: X
+    INTEGER :: Y
+    REAL :: Z
+  END SUBROUTINE S8A
+  SUBROUTINE S8B(X,Z,Y)
+    INTEGER,OPTIONAL :: X
+    INTEGER :: Z
+    REAL :: Y
+  END SUBROUTINE S8B ! { dg-error "Ambiguous interfaces" }
+END INTERFACE BAD8
+real :: a, b
+integer :: i, j
+call bad8(x,i,b)
+end