IC: added tcompiletime_counter test case (nim-lang#17698)

tests/ic/mcompiletime_counter.nim

@@ -0,0 +1,15 @@
+
+import std/macros
+import std/macrocache
+
+const myCounter = CacheCounter"myCounter"
+
+proc getUniqueId*(): int {.compileTime.} =
+  inc myCounter
+  result = myCounter.value
+
+static:
+  myCounter.inc(3)
+  assert myCounter.value == 3
+
+

tests/ic/tcompiletime_counter.nim

@@ -0,0 +1,24 @@
+discard """
+  output: '''id 4'''
+"""
+
+import mcompiletime_counter
+
+const intId = getUniqueId()
+
+echo "id ", intId
+
+#!EDIT!#
+
+discard """
+  output: '''id 4 5'''
+"""
+
+import mcompiletime_counter
+
+const
+  intId = getUniqueId()
+  floatId = getUniqueId()
+
+echo "id ", intId, " ", floatId
+