Add assert to catch an attempt to emit .byte 256
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121402 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 096cea7..e003a95 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -47,7 +47,8 @@
/// 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)