From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Fri, 30 May 2008 16:30:38 +0000 (+0000)
Subject: handle a call with less arguments than needed gracefully: don't inline yet
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=a8a06f66c66fab835f88bda648db4b207fec21dd;p=libfirm

handle a call with less arguments than needed gracefully: don't inline yet

[r19859]
---

diff --git a/ir/opt/opt_inline.c b/ir/opt/opt_inline.c
index b12e7ef9f..6a605d4d4 100644
--- a/ir/opt/opt_inline.c
+++ b/ir/opt/opt_inline.c
@@ -863,8 +863,12 @@ int inline_method(ir_node *call, ir_graph *called_graph) {
 		/* types match, fine: when the frame is access, the inliner stops at can_inline() */
 	}
 
-	assert(get_method_n_params(get_entity_type(ent)) ==
-	       get_method_n_params(get_Call_type(call)));
+	if (get_method_n_params(get_entity_type(ent)) > get_method_n_params(get_Call_type(call))) {
+		/* this is a bad feature of C: without a prototype, we can can call a function with less
+		   parameters than needed. Currently we don't support this, although it would be
+		   to use Unknown than. */
+		return 0;
+	}
 
 	irg = get_irn_irg(call);