From 74ac79fa800af6de648e984cc5576c20b817839d Mon Sep 17 00:00:00 2001 From: Dirk Mueller Date: Fri, 20 Jan 2006 09:30:22 +0000 Subject: re PR c++/5520 (Add a warning to detect empty body of if statements (like in the C frontend)) 2006-01-20 Dirk Mueller PR c++/5520 * c-parser.c (c_parser_if_body): Use build_empty_stmt() instead of a special NOP marker. * c-typeck.c (c_finish_if_stmt): Remove obsoleted special NOP marker handling. * c-common.h (empty_body_warning): Add forward declaration. * c-common.c (empty_body_warning): Add (from c_finish_if_stmt). Now uses IS_EMPTY_STMT() instead of special NOP markers. * semantics.c (finish_if_stmt): Call empty_body_warning. * parser.c (cp_parser_implicitly_scoped_statement): Mark empty statement with an empty stmt. * g++.dg/warn/empty-body.C: New. From-SVN: r110019 --- gcc/cp/semantics.c | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/cp/semantics.c') diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c index 512b789..6121d43 100644 --- a/gcc/cp/semantics.c +++ b/gcc/cp/semantics.c @@ -670,6 +670,7 @@ finish_if_stmt (tree if_stmt) TREE_CHAIN (if_stmt) = NULL; add_stmt (do_poplevel (scope)); finish_stmt (); + empty_body_warning (THEN_CLAUSE (if_stmt), ELSE_CLAUSE (if_stmt)); } /* Begin a while-statement. Returns a newly created WHILE_STMT if -- cgit v1.1