From 5b9418fd3ffd035203553fcd4fb316fe16521767 Mon Sep 17 00:00:00 2001 From: dj Date: Thu, 28 Jul 2011 22:26:23 +0000 Subject: * expr.c (expand_expr_addr_expr_1): Detect a user request for a local frame in a naked function, and produce a suitable error for that specific case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176904 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/expr.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'gcc/expr.c') diff --git a/gcc/expr.c b/gcc/expr.c index 59a20b79edf..0d88a21fded 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -7088,7 +7088,16 @@ expand_expr_addr_expr_1 (tree exp, rtx target, enum machine_mode tmode, /* If the DECL isn't in memory, then the DECL wasn't properly marked TREE_ADDRESSABLE, which will be either a front-end or a tree optimizer bug. */ - gcc_assert (MEM_P (result)); + + if (TREE_ADDRESSABLE (exp) + && ! MEM_P (result) + && ! targetm.calls.allocate_stack_slots_for_args()) + { + error ("local frame unavailable (naked function?)"); + return result; + } + else + gcc_assert (MEM_P (result)); result = XEXP (result, 0); /* ??? Is this needed anymore? */ -- cgit v1.2.3