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-rw-r--r--html-test/ref/SpuriousSuperclassConstraints.html128
-rw-r--r--html-test/ref/mini_SpuriousSuperclassConstraints.html33
-rw-r--r--html-test/tests/SpuriousSuperclassConstraints.hs30
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diff --git a/html-test/ref/SpuriousSuperclassConstraints.html b/html-test/ref/SpuriousSuperclassConstraints.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+><head
+ ><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"
+ /><title
+ >SpuriousSuperclassConstraints</title
+ ><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean"
+ /><script src="haddock-util.js" type="text/javascript"
+ ></script
+ ><script type="text/javascript"
+ >//<![CDATA[
+window.onload = function () {pageLoad();setSynopsis("mini_SpuriousSuperclassConstraints.html");};
+//]]>
+</script
+ ></head
+ ><body
+ ><div id="package-header"
+ ><ul class="links" id="page-menu"
+ ><li
+ ><a href=""
+ >Contents</a
+ ></li
+ ><li
+ ><a href=""
+ >Index</a
+ ></li
+ ></ul
+ ><p class="caption empty"
+ >&nbsp;</p
+ ></div
+ ><div id="content"
+ ><div id="module-header"
+ ><table class="info"
+ ><tr
+ ><th
+ >Safe Haskell</th
+ ><td
+ >None</td
+ ></tr
+ ></table
+ ><p class="caption"
+ >SpuriousSuperclassConstraints</p
+ ></div
+ ><div id="description"
+ ><p class="caption"
+ >Description</p
+ ><div class="doc"
+ ><p
+ >What is tested here:
+</p
+ ><p
+ >Due to a change in GHC 7.6.1 we had a bug that superclass contraints were
+ included in the instances list. Edward K. repported it here:
+</p
+ ><p
+ ><a href=""
+ >http://www.haskell.org/pipermail/haskell-cafe/2012-September/103600.html</a
+ >
+</p
+ ><p
+ >And here is the corresponding theard on glasgow-haskell-users:
+</p
+ ><p
+ ><a href=""
+ >http://www.haskell.org/pipermail/glasgow-haskell-users/2012-September/022914.html</a
+ >
+</p
+ ><p
+ >It has been fixed in:
+</p
+ ><pre
+ > 6ccf78e15a525282fef61bc4f58a279aa9c21771
+ Fix spurious superclass constraints bug.
+</pre
+ ></div
+ ></div
+ ><div id="interface"
+ ><h1
+ >Documentation</h1
+ ><div class="top"
+ ><p class="src"
+ ><span class="keyword"
+ >data</span
+ > <a name="t:SomeType" class="def"
+ >SomeType</a
+ > f a </p
+ ><div class="subs instances"
+ ><p id="control.i:SomeType" class="caption collapser" onclick="toggleSection('i:SomeType')"
+ >Instances</p
+ ><div id="section.i:SomeType" class="show"
+ ><table
+ ><tr
+ ><td class="src"
+ ><a href=""
+ >Functor</a
+ > (<a href=""
+ >SomeType</a
+ > f)</td
+ ><td class="doc empty"
+ >&nbsp;</td
+ ></tr
+ ><tr
+ ><td class="src"
+ ><a href=""
+ >Applicative</a
+ > f =&gt; <a href=""
+ >Applicative</a
+ > (<a href=""
+ >SomeType</a
+ > f)</td
+ ><td class="doc empty"
+ >&nbsp;</td
+ ></tr
+ ></table
+ ></div
+ ></div
+ ></div
+ ></div
+ ></div
+ ><div id="footer"
+ ><p
+ >Produced by <a href=""
+ >Haddock</a
+ > version 2.13.1</p
+ ></div
+ ></body
+ ></html
+>
diff --git a/html-test/ref/mini_SpuriousSuperclassConstraints.html b/html-test/ref/mini_SpuriousSuperclassConstraints.html
new file mode 100644
index 00000000..22079a4e
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+++ b/html-test/ref/mini_SpuriousSuperclassConstraints.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+><head
+ ><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"
+ /><title
+ >SpuriousSuperclassConstraints</title
+ ><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean"
+ /><script src="haddock-util.js" type="text/javascript"
+ ></script
+ ><script type="text/javascript"
+ >//<![CDATA[
+window.onload = function () {pageLoad();};
+//]]>
+</script
+ ></head
+ ><body id="mini"
+ ><div id="module-header"
+ ><p class="caption"
+ >SpuriousSuperclassConstraints</p
+ ></div
+ ><div id="interface"
+ ><div class="top"
+ ><p class="src"
+ ><span class="keyword"
+ >data</span
+ > <a href="" target="main"
+ >SomeType</a
+ > f a</p
+ ></div
+ ></div
+ ></body
+ ></html
+>
diff --git a/html-test/tests/SpuriousSuperclassConstraints.hs b/html-test/tests/SpuriousSuperclassConstraints.hs
new file mode 100644
index 00000000..d9e43e1c
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+++ b/html-test/tests/SpuriousSuperclassConstraints.hs
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+{-# LANGUAGE EmptyDataDecls, KindSignatures #-}
+-- |
+-- What is tested here:
+--
+-- Due to a change in GHC 7.6.1 we had a bug that superclass contraints were
+-- included in the instances list. Edward K. repported it here:
+--
+-- <http://www.haskell.org/pipermail/haskell-cafe/2012-September/103600.html>
+--
+-- And here is the corresponding theard on glasgow-haskell-users:
+--
+-- <http://www.haskell.org/pipermail/glasgow-haskell-users/2012-September/022914.html>
+--
+-- It has been fixed in:
+--
+-- > 6ccf78e15a525282fef61bc4f58a279aa9c21771
+-- > Fix spurious superclass constraints bug.
+--
+module SpuriousSuperclassConstraints where
+
+import Control.Applicative
+
+data SomeType (f :: * -> *) a
+
+instance Functor (SomeType f) where
+ fmap = undefined
+
+instance Applicative f => Applicative (SomeType f) where
+ pure = undefined
+ (<*>) = undefined