fix #12558 (#15864)

* fix #12558
* Update compiler/pragmas.nim

(cherry picked from commit 673c5990c6)

compiler/pragmas.nim

@@ -896,7 +896,11 @@ proc singlePragma(c: PContext, sym: PSym, n: PNode, i: var int,
       of wMagic: processMagic(c, it, sym)
       of wCompileTime:
         noVal(c, it)
-        incl(sym.flags, sfCompileTime)
+        if comesFromPush:
+          if sym.kind in {skProc, skFunc}:
+            incl(sym.flags, sfCompileTime)
+        else:
+          incl(sym.flags, sfCompileTime)
         #incl(sym.loc.flags, lfNoDecl)
       of wGlobal:
         noVal(c, it)

tests/pragmas/t12558.nim

@@ -0,0 +1,15 @@
+discard """
+  nimout: '''@["1", "2", "3"]'''
+"""
+
+import sequtils
+
+{.push compile_time.}
+
+proc foo =
+  echo map_it([1, 2, 3], $it)
+
+{.pop.}
+
+static:
+  foo()