re PR fortran/66052 (Segmentation fault for misplaced protected statement)

2015-05-18  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/66052
	* decl.c(gfc_match_protected): Prevent dereference of NULL pointer. 

2015-05-18  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/66052
	* gfortran.dg/protected_9.f90: New test.

From-SVN: r223324

gcc/fortran/ChangeLog

@@ -5,6 +5,11 @@
 
 2015-05-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/66043
+	* gfortran.dg/storage_size_6.f90: New tests.
+
+2015-05-18  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/66044
 	* decl.c(gfc_match_entry):  Change a gfc_internal_error() into
 	a gfc_error() 

gcc/fortran/decl.c

@@ -6968,7 +6968,8 @@ gfc_match_protected (void)
   gfc_symbol *sym;
   match m;
 
-  if (gfc_current_ns->proc_name->attr.flavor != FL_MODULE)
+  if (!gfc_current_ns->proc_name
+      || gfc_current_ns->proc_name->attr.flavor != FL_MODULE)
     {
        gfc_error ("PROTECTED at %C only allowed in specification "
 		  "part of a module");

gcc/testsuite/ChangeLog

 2015-05-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/66043
+	* gfortran.dg/storage_size_6.f90: New tests.
+
+2015-05-18  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/66045
 	* gfortran.dg/null1.f90: New test.
 

gcc/testsuite/gfortran.dg/protected_9.f90

+! { dg-do compile }
+! PR fortran/66052
+!
+!
+! Original code from Gerhard Steinmetz
+! <gerhard dot steinmetz dot fortran at t-online dot de>
+module a
+  contains
+  protected x   ! { dg-error "only allowed in specification part" }
+end module a
+
+program p
+   contains
+   protected x  ! { dg-error "only allowed in specification part" }
+end