dbghelp: Support redefinition of a range statement.

dlls/dbghelp/stabs.c

@@ -819,9 +819,15 @@ static int stabs_pts_read_type_def(struct ParseTypedefData* ptd, const char* typ
 	    PTS_ABORTIF(ptd, stabs_pts_read_array(ptd, &new_dt) == -1);
 	    break;
 	case 'r':
-	    PTS_ABORTIF(ptd, stabs_pts_read_range(ptd, typename, &new_dt) == -1);
-	    assert(!*stabs_find_ref(filenr1, subnr1));
-	    *stabs_find_ref(filenr1, subnr1) = new_dt;
+            {
+                struct symt**       prev_dt;
+                PTS_ABORTIF(ptd, stabs_pts_read_range(ptd, typename, &new_dt) == -1);
+
+                prev_dt = stabs_find_ref(filenr1, subnr1);
+                /* allow redefining with same base type */
+                if (*prev_dt && *prev_dt != new_dt) WARN("Multiple range def in %ls\n", ptd->module->module.ModuleName);
+                else *prev_dt = new_dt;
+            }
 	    break;
 	case 'f':
 	    PTS_ABORTIF(ptd, stabs_pts_read_type_def(ptd, NULL, &ref_dt) == -1);