From bef09ddec8ce62b40f9e656ad705e74708c0c0e2 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 9 Dec 2010 19:26:21 +0000
Subject: [PATCH] Add assert to catch an attempt to emit .byte 256

llvm-svn: 121402
---
 lib/MC/MCStreamer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 096cea7bc7f..e003a953ade 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -47,7 +47,8 @@ void MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta,
 /// pass in a MCExpr for constant integers.
 void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size,
                               unsigned AddrSpace) {
-  assert(Size <= 8);
+  assert(Size <= 8 && "Invalid size");
+  assert(!(Size == 1 && (signed)Value > 255) && "Invalid size");
   char buf[8];
   // FIXME: Endianness assumption.
   for (unsigned i = 0; i != Size; ++i)