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-rw-r--r--compiler/codeGen/StgCmmMonad.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/codeGen/StgCmmMonad.hs b/compiler/codeGen/StgCmmMonad.hs
index 978cfa2ad2..c3dc50ef98 100644
--- a/compiler/codeGen/StgCmmMonad.hs
+++ b/compiler/codeGen/StgCmmMonad.hs
@@ -547,7 +547,8 @@ forkProc :: FCode a -> FCode a
--
-- The current environment is passed on completely unchanged to
-- the successor. In particular, any heap usage from the enclosed
--- code is discarded; it should deal with its own heap consumption
+-- code is discarded; it should deal with its own heap consumption.
+-- forkProc is used to compile let-no-escape bindings.
forkProc body_code
= do { info_down <- getInfoDown
; us <- newUniqSupply