fix panics on certain inputs triggered in rule 5a

originally reported in identified by reiver#4
mschoch · Oct 20, 2014 · c5e9efb · c5e9efb
1 parent 59eb481
commit c5e9efb
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/porterstemmer.go b/porterstemmer.go
@@ -789,8 +789,10 @@ func step5a(s []rune) []rune {
 
 			if 1 < m {
 				result = subSlice
-			} else if c := subSlice[len(subSlice)-1] ; 1 == m && !( hasConsonantVowelConsonantSuffix(subSlice) && 'w' != c && 'x' != c && 'y' != c)  {
-				result = subSlice
+			} else if 1 == m {
+					if c := subSlice[len(subSlice)-1] ; !( hasConsonantVowelConsonantSuffix(subSlice) && 'w' != c && 'x' != c && 'y' != c)  {
+					result = subSlice
+				}
 			}
 		}