fix cmpIgnoreStyle bug (#16392)

lib/core/typeinfo.nim

@@ -372,6 +372,7 @@ proc cmpIgnoreStyle(a, b: cstring): int {.noSideEffect.} =
     else: result = c
   var i = 0
   var j = 0
+  if a[0] != b[0]: return 1
   while true:
     while a[i] == '_': inc(i)
     while b[j] == '_': inc(j) # BUGFIX: typo

tests/stdlib/ttypeinfo.nim

@@ -58,3 +58,14 @@ block:
   for i in 0 .. m.len-1:
     for j in 0 .. m[i].len-1:
       doAssert getString(m[i][j]) == myArr[i][j]
+
+block:
+  type
+    Test = enum
+      Hello, he_llo
+
+  var x = hello
+  var y = x.toAny
+
+  doAssert getEnumOrdinal(y, "Hello") == 0
+  doAssert getEnumOrdinal(y, "hello") == 1