<option>-fwarn-deprecated-flags</option>,
<option>-fwarn-duplicate-exports</option>,
<option>-fwarn-missing-fields</option>,
- <option>-fwarn-missing-methods</option>, and
+ <option>-fwarn-missing-methods</option>,
+ <option>-fwarn-lazy-unlifted-bindings</option>, and
<option>-fwarn-dodgy-foreign-imports</option>. The following
flags are
simple ways to select standard “packages” of warnings:
</varlistentry>
<varlistentry>
+ <term><option>-fwarn-lazy-unlifted-bindings</option>:</term>
+ <listitem>
+ <indexterm><primary><option>-fwarn-lazy-unlifted-bindings</option></primary>
+ </indexterm>
+ <para>Causes a warning to be emitted when an unlifted type
+ is bound in a way that looks lazy, e.g.
+ <literal>where (I# x) = ...</literal>. Use
+ <literal>where !(I# x) = ...</literal> instead. This will be an
+ error, rather than a warning, in GHC 6.14.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-fwarn-duplicate-exports</option>:</term>
<listitem>
<indexterm><primary><option>-fwarn-duplicate-exports</option></primary></indexterm>