Ensure no statements after CmmReturn are emitted

diff --git a/compiler/codeGen/CgMonad.lhs b/compiler/codeGen/CgMonad.lhs
index 8723e46..b96db80 100644 (file)
--- a/compiler/codeGen/CgMonad.lhs
+++ b/compiler/codeGen/CgMonad.lhs
@@ -247,6 +247,7 @@ flattenCgStmts id stmts =
 isJump (CmmJump _ _) = True
 isJump (CmmBranch _) = True
 isJump (CmmSwitch _ _) = True
+isJump (CmmReturn _) = True
 isJump _ = False
 
 isOrdinaryStmt (CgStmt _) = True