fixes #5135

compiler/sighashes.nim

@@ -281,6 +281,11 @@ proc hashNonProc*(s: PSym): SigHash =
     c &= it.name.s
     c &= "."
     it = it.owner
+  # for bug #5135 we also take the position into account, but only
+  # for parameters, because who knows what else position dependency
+  # might cause:
+  if s.kind == skParam:
+    c &= s.position
   md5Final c, result.Md5Digest
 
 proc hashOwner*(s: PSym): SigHash =

tests/template/tconfusinglocal.nim

@@ -1,4 +1,8 @@
 
+# bug #5135
+proc fail*[E](e: E): void =
+  raise newException(Exception, e)
+
 # bug #4875
 type Bar = object
     mFoo: int

tests/template/tsighash_regression.nim

@@ -0,0 +1,5 @@
+
+import tconfusinglocal
+
+
+fail "foo"