Make sL strict in /both/ arguments to L

diff --git a/compiler/parser/Parser.y.pp b/compiler/parser/Parser.y.pp
index 167c8b6..7104a0d 100644 (file)
--- a/compiler/parser/Parser.y.pp
+++ b/compiler/parser/Parser.y.pp
@@ -1977,7 +1977,7 @@ comb4 a b c d = combineSrcSpans (getLoc a) $ combineSrcSpans (getLoc b) $
 -- strict constructor version:
 {-# INLINE sL #-}
 sL :: SrcSpan -> a -> Located a
-sL span a = span `seq` L span a
+sL span a = span `seq` a `seq` L span a
 
 -- Make a source location for the file.  We're a bit lazy here and just
 -- make a point SrcSpan at line 1, column 0.  Strictly speaking we should