From 6ef7ee6d326624b28dd6a2752db2067e0cc2e330 Mon Sep 17 00:00:00 2001
From: Alexey Prokhin <alexey.prokhin@yandex.ru>
Date: Tue, 1 Nov 2011 14:35:24 +0400
Subject: [PATCH] Unimplemented toConstElem is not a fatal error if errors are
 gagged.

Because ldc uses gagging to check whether an expression is constant.
---
 gen/toir.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gen/toir.cpp b/gen/toir.cpp
index 1958ef8b..b4226d07 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -3022,7 +3022,8 @@ STUB(PowAssignExp);
 
 #define CONSTSTUB(x) LLConstant* x::toConstElem(IRState * p) { \
     error("expression '%s' is not a constant", toChars()); \
-    fatal(); \
+    if (!global.gag) \
+        fatal(); \
     return NULL; \
 }
 CONSTSTUB(Expression);