gdb: Convert dwarf2_evaluate_property to return bool

Convert dwarf2_evaluate_property to return a bool, there should be no
user visible change after this commit.

gdb/ChangeLog:

	* dwarf2loc.c (dwarf2_evaluate_property): Change return type, and
	update return statements.
	* dwarf2loc.h (dwarf2_evaluate_property): Update return type on
	declaration, and update comment to match.
	* gdbtypes.c (resolve_dynamic_array): Update call to
	dwarf2_evaluate_property to match new return type.

gdb/ChangeLog

@@ -1,3 +1,12 @@
+2019-07-12  Andrew Burgess  <andrew.burgess@embecosm.com>
+
+	* dwarf2loc.c (dwarf2_evaluate_property): Change return type, and
+	update return statements.
+	* dwarf2loc.h (dwarf2_evaluate_property): Update return type on
+	declaration, and update comment to match.
+	* gdbtypes.c (resolve_dynamic_array): Update call to
+	dwarf2_evaluate_property to match new return type.
+
 2019-07-12  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* valarith.c (value_subscripted_rvalue): Change lowerbound

gdb/dwarf2loc.c

@@ -2425,14 +2425,14 @@ dwarf2_locexpr_baton_eval (const struct dwarf2_locexpr_baton *dlbaton,
 
 /* See dwarf2loc.h.  */
 
-int
+bool
 dwarf2_evaluate_property (const struct dynamic_prop *prop,
 			  struct frame_info *frame,
 			  struct property_addr_info *addr_stack,
 			  CORE_ADDR *value)
 {
   if (prop == NULL)
-    return 0;
+    return false;
 
   if (frame == NULL && has_stack_frames ())
     frame = get_selected_frame (NULL);
@@ -2454,7 +2454,7 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop,
 
 		*value = value_as_address (val);
 	      }
-	    return 1;
+	    return true;
 	  }
       }
       break;
@@ -2476,7 +2476,7 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop,
 	    if (!value_optimized_out (val))
 	      {
 		*value = value_as_address (val);
-		return 1;
+		return true;
 	      }
 	  }
       }
@@ -2484,7 +2484,7 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop,
 
     case PROP_CONST:
       *value = prop->data.const_val;
-      return 1;
+      return true;
 
     case PROP_ADDR_OFFSET:
       {
@@ -2510,11 +2510,11 @@ dwarf2_evaluate_property (const struct dynamic_prop *prop,
 	  val = value_at (baton->offset_info.type,
 			  pinfo->addr + baton->offset_info.offset);
 	*value = value_as_address (val);
-	return 1;
+	return true;
       }
     }
 
-  return 0;
+  return false;
 }
 
 /* See dwarf2loc.h.  */

gdb/dwarf2loc.h

@@ -135,13 +135,13 @@ struct property_addr_info
    property. When evaluating a property that is not related to a type, it can
    be NULL.
 
-   Returns 1 if PROP could be converted and the static value is passed back
+   Returns true if PROP could be converted and the static value is passed
-   into VALUE, otherwise returns 0.  */
+   back into VALUE, otherwise returns false.  */
 
-int dwarf2_evaluate_property (const struct dynamic_prop *prop,
+bool dwarf2_evaluate_property (const struct dynamic_prop *prop,
-			      struct frame_info *frame,
+			       struct frame_info *frame,
-			      struct property_addr_info *addr_stack,
+			       struct property_addr_info *addr_stack,
-			      CORE_ADDR *value);
+			       CORE_ADDR *value);
 
 /* A helper for the compiler interface that compiles a single dynamic
    property to C code.

gdb/gdbtypes.c

@@ -2065,10 +2065,7 @@ resolve_dynamic_array (struct type *type,
   prop = get_dyn_prop (DYN_PROP_BYTE_STRIDE, type);
   if (prop != NULL)
     {
-      int prop_eval_ok
+      if (dwarf2_evaluate_property (prop, NULL, addr_stack, &value))
-	= dwarf2_evaluate_property (prop, NULL, addr_stack, &value);
-
-      if (prop_eval_ok)
 	{
 	  remove_dyn_prop (DYN_PROP_BYTE_STRIDE, type);
 	  bit_stride = (unsigned int) (value * 8);