Fix bug #3165 (:history throws irrefutable pattern failed)

[ghc-hetmet.git] / compiler / main / HscTypes.lhs

diff --git a/compiler/main/HscTypes.lhs b/compiler/main/HscTypes.lhs
index 33b4448..8a17a40 100644 (file)
--- a/compiler/main/HscTypes.lhs
+++ b/compiler/main/HscTypes.lhs
@@ -1850,13 +1850,16 @@ data ModBreaks
         -- ^ An array giving the source span of each breakpoint.
    , modBreaks_vars :: !(Array BreakIndex [OccName])
         -- ^ An array giving the names of the free variables at each breakpoint.
+   , modBreaks_decls :: !(Array BreakIndex [String])
+        -- ^ An array giving the names of the declarations enclosing each breakpoint.
    }
 
 emptyModBreaks :: ModBreaks
 emptyModBreaks = ModBreaks
    { modBreaks_flags = error "ModBreaks.modBreaks_array not initialised"
          -- Todo: can we avoid this? 
-   , modBreaks_locs = array (0,-1) []
-   , modBreaks_vars = array (0,-1) []
+   , modBreaks_locs  = array (0,-1) []
+   , modBreaks_vars  = array (0,-1) []
+   , modBreaks_decls = array (0,-1) []
    }
 \end{code}