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, 32 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/internal_pack_4.f90 b/gcc/testsuite/gfortran.dg/internal_pack_4.f90
new file mode 100644
index 000000000..5ddc035e9
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/internal_pack_4.f90
@@ -0,0 +1,32 @@
+! { dg-do run }
+! { dg-options "-fdump-tree-original" }
+!
+! PR fortran/36132
+!
+! Before invalid memory was accessed because an absent, optional
+! argument was packed before passing it as absent actual.
+! Getting it to crash is difficult, but valgrind shows the problem.
+!
+MODULE M1
+  INTEGER, PARAMETER :: dp=KIND(0.0D0)
+CONTAINS
+  SUBROUTINE S1(a)
+         REAL(dp), DIMENSION(45), INTENT(OUT), &
+      OPTIONAL                               :: a
+      if (present(a)) call abort()
+  END SUBROUTINE S1
+  SUBROUTINE S2(a)
+          REAL(dp), DIMENSION(:, :), INTENT(OUT), &
+      OPTIONAL                               :: a
+      CALL S1(a)
+  END SUBROUTINE
+END MODULE M1
+
+USE M1
+CALL S2()
+END
+
+! { dg-final { scan-tree-dump-times "a != 0B \\? \\\(.*\\\) _gfortran_internal_pack" 1 "original" } }
+! { dg-final { scan-tree-dump-times "if \\(a != 0B &&" 1 "original" } }
+! { dg-final { cleanup-tree-dump "original" } }
+! { dg-final { cleanup-modules "m1" } }