fixes #21708; skip colons for tuples in VM (#21850)

* fixes #21708; skip colon for tuples in VM

* skip nimnodes

* fixes types

compiler/vm.nim

@@ -20,7 +20,7 @@ import
 
 when defined(nimPreviewSlimSystem):
   import std/formatfloat
-
+import astalgo
 import ast except getstr
 from semfold import leValueConv, ordinalValToString
 from evaltempl import evalTemplate
@@ -844,6 +844,12 @@ proc rawExecute(c: PCtx, start: int, tos: PStackFrame): TFullReg =
       of nkObjConstr:
         let n = src[rc + 1].skipColon
         regs[ra].node = n
+      of nkTupleConstr:
+        let n = if src.typ != nil and tfTriggersCompileTime in src.typ.flags:
+            src[rc]
+          else:
+            src[rc].skipColon
+        regs[ra].node = n
       else:
         let n = src[rc]
         regs[ra].node = n

tests/vm/tvmmisc.nim

@@ -688,3 +688,13 @@ block: # bug #7590
   # const c=(foo:(bar1: 0.0))
   const c=(foo:(bar1:"foo1"))
   fun2(c)
+
+block: # bug #21708
+  type
+    Tup = tuple[name: string]
+
+  const X: array[2, Tup] = [(name: "foo",), (name: "bar",)]
+
+  static:
+    let s = X[0]
+    doAssert s[0] == "foo"