From 60617d54449524823aef0ca254ffbe86cf9ec7a2 Mon Sep 17 00:00:00 2001
From: Christian Kamm <kamm@incasoftware.de>
Date: Fri, 15 Aug 2008 22:41:47 +0200
Subject: [PATCH] Add interface comparison to EqualExp: just do pointer
 comparison.

Fixes run/b/bug_e2ir_1786_B,C.
---
 gen/toir.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gen/toir.cpp b/gen/toir.cpp
index 2b763a9a..4ec1eba6 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -1288,9 +1288,11 @@ DValue* EqualExp::toElem(IRState* p)
 
     LLValue* eval = 0;
 
-    if (t->isintegral() || t->ty == Tpointer)
+    // the Tclass catches interface comparisons, regular
+    // class equality should be rewritten as a.opEquals(b) by this time
+    if (t->isintegral() || t->ty == Tpointer || t->ty == Tclass)
     {
-        Logger::println("integral or pointer");
+        Logger::println("integral or pointer or interface");
         llvm::ICmpInst::Predicate cmpop;
         switch(op)
         {