When running python -O, do not include blocks defined in asserts in

the symbol table pass.  These blocks were already ignored by the code
gen pass.  Both passes must visit the same set of blocks in the same
order.

Fixes SF buf 132820

Python/compile.c

@@ -4496,6 +4496,17 @@ symtable_node(struct symtable *st, node *n)
 		break;
 
 	}
+	case assert_stmt: 
+		if (Py_OptimizeFlag)
+			return;
+		if (NCH(n) == 2) {
+			n = CHILD(n, 1);
+			goto loop;
+		} else {
+			symtable_node(st, CHILD(n, 1));
+			n = CHILD(n, 3);
+			goto loop;
+		}
 	case except_clause:
 		if (NCH(n) == 4)
 			symtable_assign(st, CHILD(n, 3), 0);