From d39d36f836daa3fecd747ebabde09ac895a9553e Mon Sep 17 00:00:00 2001
From: "simonpj@microsoft.com" <unknown>
Date: Thu, 3 Jan 2008 16:00:36 +0000
Subject: [PATCH] Remove -funfolding-update-in-place flag documentation

This flag does nothing, and should have been removed ages ago. (GHC
no longer does update-in-place.)

MERGE to 6.8 branch
---
 compiler/main/StaticFlags.hs |    1 -
 docs/users_guide/flags.xml   |    7 -------
 docs/users_guide/using.xml   |   18 ------------------
 3 files changed, 26 deletions(-)

diff --git a/compiler/main/StaticFlags.hs b/compiler/main/StaticFlags.hs
index a244544..512a27a 100644
--- a/compiler/main/StaticFlags.hs
+++ b/compiler/main/StaticFlags.hs
@@ -375,7 +375,6 @@ isStaticFlag f =
 	"fruntime-types",
 	"fno-pre-inlining",
 	"fexcess-precision",
-	"funfolding-update-in-place",
 	"static",
 	"fhardwire-lib-paths",
 	"funregisterised",
diff --git a/docs/users_guide/flags.xml b/docs/users_guide/flags.xml
index a00a4f1..cb993af 100644
--- a/docs/users_guide/flags.xml
+++ b/docs/users_guide/flags.xml
@@ -1347,13 +1347,6 @@
 	    </row>
 
 	    <row>
-	      <entry><option>-funfolding-update-in-place</option></entry>
-	      <entry>Tweak unfolding settings</entry>
-	      <entry>static</entry>
-	      <entry><option>-fno-unfolding-update-in-place</option></entry>
-	    </row>
-
-	    <row>
 	      <entry><option>-funfolding-use-threshold</option></entry>
 	      <entry>Tweak unfolding settings</entry>
 	      <entry>static</entry>
diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index 5e8be42..c175ca1 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -1602,24 +1602,6 @@ f "2"    = 2
 
 	<varlistentry>
 	  <term>
-            <option>-funfolding-update-in-place=<replaceable>n</replaceable></option>
-            <indexterm><primary><option>-funfolding-update-in-place</option></primary></indexterm>
-          </term>
-	  <listitem>
-	    <para>Switches on an experimental "optimisation".
-            Switching it on makes the compiler a little keener to
-            inline a function that returns a constructor, if the
-            context is that of a thunk.
-<programlisting>
-   x = plusInt a b
-</programlisting>
-            If we inlined plusInt we might get an opportunity to use
-            update-in-place for the thunk 'x'.</para>
-	  </listitem>
-	</varlistentry>
-
-	<varlistentry>
-	  <term>
             <option>-funfolding-creation-threshold=<replaceable>n</replaceable></option>:
 	    <indexterm><primary><option>-funfolding-creation-threshold</option></primary></indexterm>
 	    <indexterm><primary>inlining, controlling</primary></indexterm>
-- 
1.7.10.4