re PR fortran/35031 (ELEMENTAL procedure with BIND(C))

2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/35031
	* decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
	mis-indentation.
 
2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/35031
	* gfortran.dg/pr35031.f90: new test.

From-SVN: r267864

gcc/fortran/ChangeLog

+2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/35031
+	* decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
+	mis-indentation.
+
 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/85956

gcc/fortran/decl.c

@@ -7431,9 +7431,11 @@ gfc_match_entry (void)
 	      gfc_error ("Missing required parentheses before BIND(C) at %C");
 	      return MATCH_ERROR;
 	    }
-	    if (!gfc_add_is_bind_c (&(entry->attr), entry->name,
-				    &(entry->declared_at), 1))
-	      return MATCH_ERROR;
+
+	  if (!gfc_add_is_bind_c (&(entry->attr), entry->name,
+				  &(entry->declared_at), 1))
+	    return MATCH_ERROR;
+	
 	}
 
       if (!gfc_current_ns->parent
@@ -7517,6 +7519,14 @@ gfc_match_entry (void)
       return MATCH_ERROR;
     }
 
+  /* F2018:C1546 An elemental procedure shall not have the BIND attribute.  */
+  if (proc->attr.elemental && entry->attr.is_bind_c)
+    {
+      gfc_error ("ENTRY statement at %L with BIND(C) prohibited in an "
+		 "elemental procedure", &entry->declared_at);
+      return MATCH_ERROR;
+    }
+
   entry->attr.recursive = proc->attr.recursive;
   entry->attr.elemental = proc->attr.elemental;
   entry->attr.pure = proc->attr.pure;

gcc/testsuite/ChangeLog

+2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/35031
+	* gfortran.dg/pr35031.f90: new test.
+
 2019-01-11  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.

gcc/testsuite/gfortran.dg/pr35031.f90

+! { dg-do compile }
+elemental subroutine sub2(x)
+   integer, intent(in) :: x
+   entry sub2_c(x) bind(c)    ! { dg-error "prohibited in an elemental" }
+end subroutine sub2
+
+elemental function func2(x)
+   integer, intent(in) :: x
+   entry func2_c(x) bind(c)   ! { dg-error "prohibited in an elemental" }
+end function func2