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re PR c++/28899 (gimplification failed) 

PR c++/28899
        * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
        want_value.

        * gimplify.c (voidify_wrapper_expr): Handle null type.

From-SVN: r116637
This commit is contained in:
Jason Merrill 2006-09-01 13:59:41 -04:00 committed by Jason Merrill
parent a56913dd37
commit 4832214af7
3 changed files with 33 additions and 4 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2006-09-01 Jason Merrill <jason@redhat.com>
PR c++/28899
* gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
want_value.
* gimplify.c (voidify_wrapper_expr): Handle null type.
2006-09-01 Josh Conner <jconner@apple.com>
PR c++/25505

21
gcc/gimplify.c
View File

@ -955,9 +955,9 @@ gimple_build_eh_filter (tree body, tree allowed, tree failure)
tree
voidify_wrapper_expr (tree wrapper, tree temp)
{
if (!VOID_TYPE_P (TREE_TYPE (wrapper)))
tree type = TREE_TYPE (wrapper);
if (type && !VOID_TYPE_P (type))
{
tree type = TREE_TYPE (wrapper);
tree *p;
/* Set p to point to the body of the wrapper. Loop until we find
@ -3415,10 +3415,23 @@ gimplify_modify_expr_rhs (tree *expr_p, tree *from_p, tree *to_p, tree *pre_p,
case STATEMENT_LIST:
{
tree wrap = *from_p;
tree t = voidify_wrapper_expr (wrap, *expr_p);
tree t;
ret = gimplify_expr (to_p, pre_p, post_p,
is_gimple_min_lval, fb_lvalue);
if (ret != GS_ERROR)
ret = GS_OK;
t = voidify_wrapper_expr (wrap, *expr_p);
gcc_assert (t == *expr_p);
*expr_p = wrap;
if (want_value)
{
gimplify_and_add (wrap, pre_p);
*expr_p = unshare_expr (*to_p);
}
else
*expr_p = wrap;
return GS_OK;
}

8
gcc/testsuite/g++.dg/ext/stmtexpr9.C Normal file
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@ -0,0 +1,8 @@
// PR c++/28899
// { dg-options "" }
void f()
{
unsigned l, l1;
l1 = l = ({ unsigned __v; __v; });
}