re PR fortran/45748 (-fimplicit-none failures when using intrinsic MAX)

2010-10-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45748
	* resolve.c (resolve_formal_arglist): Avoid setting default type for
	formal arguments of intrinsic procedures.

2010-10-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45748
	* gfortran.dg/intrinsic_6.f90: New.

From-SVN: r164901

gcc/fortran/ChangeLog

+2010-10-02  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/45748
+	* resolve.c (resolve_formal_arglist): Avoid setting default type for
+	formal arguments of intrinsic procedures.
+
 2010-09-30  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/45828

gcc/fortran/resolve.c

@@ -297,11 +297,9 @@ resolve_formal_arglist (gfc_symbol *proc)
 	  continue;
 	}
 
-      if (sym->ts.type == BT_UNKNOWN)
-	{
-	  if (!sym->attr.function || sym->result == sym)
-	    gfc_set_default_type (sym, 1, sym->ns);
-	}
+      if (sym->ts.type == BT_UNKNOWN && !proc->attr.intrinsic
+	  && (!sym->attr.function || sym->result == sym))
+	gfc_set_default_type (sym, 1, sym->ns);
 
       gfc_resolve_array_spec (sym->as, 0);
 

gcc/testsuite/ChangeLog

+2010-10-02  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/45748
+	* gfortran.dg/intrinsic_6.f90: New.
+
 2010-10-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/42831

gcc/testsuite/gfortran.dg/intrinsic_6.f90

+! { dg-do compile }
+! { dg-options "-fimplicit-none" }
+!
+! PR 45748: [4.5/4.6 Regression] -fimplicit-none failures when using intrinsic MAX
+!
+! Contributed by Themos Tsikas <themos.tsikas@gmail.com>
+
+SUBROUTINE BUG(WORK)
+  INTRINSIC MAX
+  DOUBLE PRECISION WORK(MAX(2,3))
+END