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semantics.c (finish_compound_stmt): Avoid creating an unnecessary BIND_EXPR.

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* semantics.c (finish_compound_stmt): Avoid creating an
	unnecessary BIND_EXPR.

From-SVN: r166006
This commit is contained in:
Jason Merrill 2010-10-27 11:48:09 -04:00 committed by Jason Merrill
parent bc8a0bd9fc
commit e02927a11a
2 changed files with 16 additions and 1 deletions
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3
gcc/cp/ChangeLog
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@ -1,5 +1,8 @@
2010-10-27 Jason Merrill <jason@redhat.com>
* semantics.c (finish_compound_stmt): Avoid creating an
unnecessary BIND_EXPR.
* call.c (convert_like_real): Don't check narrowing if the element
is also an initializer-list.

14
gcc/cp/semantics.c
View File

@ -1208,7 +1208,19 @@ void
finish_compound_stmt (tree stmt)
{
if (TREE_CODE (stmt) == BIND_EXPR)
BIND_EXPR_BODY (stmt) = do_poplevel (BIND_EXPR_BODY (stmt));
{
tree body = do_poplevel (BIND_EXPR_BODY (stmt));
/* If the STATEMENT_LIST is empty and this BIND_EXPR isn't special,
discard the BIND_EXPR so it can be merged with the containing
STATEMENT_LIST. */
if (TREE_CODE (body) == STATEMENT_LIST
&& STATEMENT_LIST_HEAD (body) == NULL
&& !BIND_EXPR_BODY_BLOCK (stmt)
&& !BIND_EXPR_TRY_BLOCK (stmt))
stmt = body;
else
BIND_EXPR_BODY (stmt) = body;
}
else if (STATEMENT_LIST_NO_SCOPE (stmt))
stmt = pop_stmt_list (stmt);
else