From 6692a31fda3b8b9032658826e048ccc66ad72dae Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Wed, 31 Jan 1996 08:42:23 -0500 Subject: [PATCH] (expand_builtin, case BUILT_IN_NEXT_ARG): Strip off INDIRECT_REF when checking second arg. From-SVN: r11139 --- gcc/expr.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/gcc/expr.c b/gcc/expr.c index 2fe100c73ec..342fa375135 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -8047,10 +8047,13 @@ expand_builtin (exp, target, subtarget, mode, ignore) tree arg = TREE_VALUE (arglist); /* Strip off all nops for the sake of the comparison. This - is not quite the same as STRIP_NOPS. It does more. */ + is not quite the same as STRIP_NOPS. It does more. + We must also strip off INDIRECT_EXPR for C++ reference + parameters. */ while (TREE_CODE (arg) == NOP_EXPR || TREE_CODE (arg) == CONVERT_EXPR - || TREE_CODE (arg) == NON_LVALUE_EXPR) + || TREE_CODE (arg) == NON_LVALUE_EXPR + || TREE_CODE (arg) == INDIRECT_REF) arg = TREE_OPERAND (arg, 0); if (arg != last_parm) warning ("second parameter of `va_start' not last named argument"); -- 2.30.2