From 6bc08863a5e25956d6c20ca4e9605e99c49268da Mon Sep 17 00:00:00 2001
From: Matthew Pickering <matthewtpickering@gmail.com>
Date: Fri, 11 Feb 2022 15:07:01 +0000
Subject: hadrian: Enable late-ccs when building profiled_ghc

---
 hadrian/src/Flavour.hs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/hadrian/src/Flavour.hs b/hadrian/src/Flavour.hs
index c46f77a2fb..5268815f5a 100644
--- a/hadrian/src/Flavour.hs
+++ b/hadrian/src/Flavour.hs
@@ -165,7 +165,7 @@ viaLlvmBackend = addArgs $ notStage0 ? builder Ghc ? arg "-fllvm"
 -- support loading of profiled libraries with the dynamically-linker.
 enableProfiledGhc :: Flavour -> Flavour
 enableProfiledGhc flavour =
-    flavour { rtsWays = addWays [profiling, threadedProfiling, debugProfiling, threadedDebugProfiling] (rtsWays flavour)
+    enableLateCCS flavour { rtsWays = addWays [profiling, threadedProfiling, debugProfiling, threadedDebugProfiling] (rtsWays flavour)
             , libraryWays = addWays [profiling] (libraryWays flavour)
             , ghcProfiled = True
             }
@@ -204,6 +204,12 @@ enableIPE =
       Right transformer = applySetting kv
   in transformer
 
+enableLateCCS :: Flavour -> Flavour
+enableLateCCS =
+  let Right kv = parseKV "stage1.*.ghc.hs.opts += -fprof-late-ccs"
+      Right transformer = applySetting kv
+  in transformer
+
 -- | Produce fully statically-linked executables and build libraries suitable
 -- for static linking.
 fullyStatic :: Flavour -> Flavour
-- 
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