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-rw-r--r--docs/users_guide/flags.xml9
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/users_guide/flags.xml b/docs/users_guide/flags.xml
index e765525c13..1245d25fde 100644
--- a/docs/users_guide/flags.xml
+++ b/docs/users_guide/flags.xml
@@ -1538,6 +1538,15 @@
</row>
<row>
+ <entry><option>-fpedantic-bottoms</option></entry>
+ <entry>Make GHC be more precise about its treatment of bottom (but see also
+ <option>-fno-state-hack</option>). In particular, GHC will not
+ eta-expand through a case expression.</entry>
+ <entry>dynamic</entry>
+ <entry><option>-fno-pedantic-bottoms</option></entry>
+ </row>
+
+ <row>
<entry><option>-fomit-interface-pragmas</option></entry>
<entry>Don't generate interface pragmas</entry>
<entry>dynamic</entry>