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cp-tree.def (EMPTY_CLASS_EXPR): New tree node.

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* cp-tree.def (EMPTY_CLASS_EXPR): New tree node.
	* call.c (build_call): Use EMPTY_CLASS_EXPR instead of RTL_EXPR.
	* expr.c (cplus_expand_expr): Expand it.
	* ir.texi: Document EMPTY_CLASS_EXPR.

From-SVN: r30128
This commit is contained in:
Mark Mitchell 1999-10-22 06:35:17 +00:00
parent ac22f9cb2c
commit 5f7cbe4eb3
1 changed files with 4 additions and 0 deletions
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4
gcc/cp/expr.c
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@ -234,6 +234,10 @@ cplus_expand_expr (exp, target, tmode, modifier)
expand_internal_throw ();
return NULL;
case EMPTY_CLASS_EXPR:
/* We don't need to generate any code for an empty class. */
return const0_rtx;
case STMT_EXPR:
{
tree rtl_expr = begin_stmt_expr ();