megatest now checks refc too (#21341)

* megatest now checks refc too

* fixes refc

testament/categories.nim

@@ -718,6 +718,8 @@ proc processCategory(r: var TResults, cat: Category,
     case cat2
     of "megatest":
       runJoinedTest(r, cat, testsDir, options)
+      if isNimRepoTests():
+        runJoinedTest(r, cat, testsDir, options & " --mm:refc")
     else:
       var testsRun = 0
       var files: seq[string]

tests/enum/tenum.nim

@@ -174,4 +174,5 @@ block: # bug #12589
     proc typ(): OGRwkbGeometryType =
       return wkbPoint25D
 
+    when not defined(gcRefc):
       doAssert $typ() == "wkbPoint25D"

tests/misc/t18079.nim

@@ -1,3 +1,7 @@
+discard """
+  matrix: "--mm:orc"
+"""
+
 type
   Foo = object
     y: int

tests/misc/tunsignedconv.nim

@@ -66,7 +66,8 @@ let limit = 1'u64
 
 let rangeVar = 0'u64 ..< limit
 
-doAssert repr(rangeVar) == """0 .. 0""", repr(rangeVar)
+when not defined(gcRefc):
+  doAssert repr(rangeVar) == """0 .. 0""", repr(rangeVar)
 
 # bug #15210
 

tests/typerel/ttypedesc_as_genericparam1_orc.nim

@@ -1 +1,5 @@
+discard """
+  matrix: "--mm:orc"
+"""
+
 doAssert repr(int) == "int"