re PR libfortran/27524 (-fbounds-check interacts with array function)

	PR fortran/27524

	* trans-array.c (gfc_trans_dummy_array_bias): Don't use stride as
	a temporary variable when -fbounds-check is enabled, since its
	value will be needed later.

	* gfortran.dg/bounds_check_1.f90: New test.

From-SVN: r114142

gcc/fortran/ChangeLog

+2006-05-26  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+	PR fortran/27524
+	* trans-array.c (gfc_trans_dummy_array_bias): Don't use stride as
+	a temporary variable when -fbounds-check is enabled, since its
+	value will be needed later.
+
 2006-05-26  Thomas Koenig  <Thomas.Koenig@online.de>
 
 	PR fortran/23151

gcc/fortran/trans-array.c

@@ -3564,7 +3564,7 @@ gfc_trans_dummy_array_bias (gfc_symbol * sym, tree tmpdesc, tree body)
   tree dumdesc;
   tree tmp;
   tree stmt;
-  tree stride;
+  tree stride, stride2;
   tree stmt_packed;
   tree stmt_unpacked;
   tree partial;
@@ -3711,9 +3711,9 @@ gfc_trans_dummy_array_bias (gfc_symbol * sym, tree tmpdesc, tree body)
 
 	      tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
 				 ubound, lbound);
-              stride = build2 (MINUS_EXPR, gfc_array_index_type,
+              stride2 = build2 (MINUS_EXPR, gfc_array_index_type,
 			       dubound, dlbound);
-              tmp = fold_build2 (NE_EXPR, gfc_array_index_type, tmp, stride);
+              tmp = fold_build2 (NE_EXPR, gfc_array_index_type, tmp, stride2);
 	      gfc_trans_runtime_check (tmp, gfc_strconst_bounds, &block);
 	    }
 	}

gcc/testsuite/ChangeLog

+2006-05-26  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+	PR fortran/27524
+	* gfortran.dg/bounds_check_1.f90: New test.
+
 2006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	PR rtl-optimization/27661

gcc/testsuite/gfortran.dg/bounds_check_1.f90

+! { dg-do run }
+! { dg-options "-fbounds-check" }
+! PR fortran/27524
+    integer :: res(1)
+    res = F()
+    if (res(1) /= 1) call abort
+    contains
+      function F()
+        integer :: F(1)
+        f = 1
+      end function F
+    end