[Bug fortran/49648] ICE(segfault) with MATMUL and function-result actual argument

[mikael at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49648

Mikael Morin <mikael at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikael at gcc dot gnu.org

--- Comment #7 from Mikael Morin <mikael at gcc dot gnu.org> 2011-07-06 14:25:10 UTC ---
Here is a "fix".
The important part I suppose is that one has to apply resolve_symbol on
sym->result. It is the case before the patch, only if the symbol has unknown
type.

diff --git a/resolve.c b/resolve.c
index f484a22..908e72b 100644
--- a/resolve.c
+++ b/resolve.c
@@ -12181,21 +12181,22 @@ resolve_symbol (gfc_symbol *sym)
          in the case that there is no implicit type.  */
       if (!mp_flag)
         gfc_set_default_type (sym, sym->attr.external, NULL);
-      else
-        {
-          /* Result may be in another namespace.  */
-          resolve_symbol (sym->result);
+    }
+    }

-          if (!sym->result->attr.proc_pointer)
-        {
-          sym->ts = sym->result->ts;
-          sym->as = gfc_copy_array_spec (sym->result->as);
-          sym->attr.dimension = sym->result->attr.dimension;
-          sym->attr.pointer = sym->result->attr.pointer;
-          sym->attr.allocatable = sym->result->attr.allocatable;
-          sym->attr.contiguous = sym->result->attr.contiguous;
-        }
-        }
+  if (mp_flag && sym->attr.flavor == FL_PROCEDURE && sym->attr.function)
+    {
+      /* Result may be in another namespace.  */
+      resolve_symbol (sym->result);
+    
+      if (!sym->result->attr.proc_pointer)
+    {
+      sym->ts = sym->result->ts;
+      sym->as = gfc_copy_array_spec (sym->result->as);
+      sym->attr.dimension = sym->result->attr.dimension;
+      sym->attr.pointer = sym->result->attr.pointer;
+      sym->attr.allocatable = sym->result->attr.allocatable;
+      sym->attr.contiguous = sym->result->attr.contiguous;
     }
     }