error stack-trace.

Hint: 159917 lines; 72.333s; 674.027MiB peakmem; Debug build; proj: Nim/compiler/nim; out: Nim/compiler/nim [SuccessX]
Nim/bin/nim_temp  js problem/orig.nim
Hint: used config file 'Nim/config/nim.cfg' [Conf]
Hint: used config file 'Nim/config/config.nims' [Conf]
.....
Nim/problem/orig.nim(4, 10) Error: cannot evaluate at compile time: s
Traceback (most recent call last)
Nim/compiler/nim.nim(82) handleCmdLine
Nim/compiler/cmdlinehelper.nim(84) loadConfigsAndRunMainCommand
Nim/compiler/main.nim(262) mainCommand
Nim/compiler/main.nim(227) compileToBackend
Nim/compiler/main.nim(132) commandCompileToJS
Nim/compiler/modules.nim(160) compileProject
Nim/compiler/modules.nim(96) compileModule
Nim/compiler/passes.nim(208) processModule
Nim/compiler/passes.nim(86) processTopLevelStmt
Nim/compiler/sem.nim(601) myProcess
Nim/compiler/sem.nim(569) semStmtAndGenerateGenerics
Nim/compiler/semstmts.nim(2293) semStmt
Nim/compiler/semexprs.nim(1026) semExprNoType
Nim/compiler/semexprs.nim(2833) semExpr
Nim/compiler/semstmts.nim(2235) semStmtList
Nim/compiler/semexprs.nim(2885) semExpr
Nim/compiler/semstmts.nim(2191) semStaticStmt
Nim/compiler/vm.nim(2183) evalStaticStmt
Nim/compiler/vm.nim(2172) evalConstExprAux
Nim/compiler/vm.nim(1207) rawExecute
Nim/compiler/vm.nim(463) compile
Nim/compiler/vmgen.nim(2257) genProc
Nim/compiler/vmgen.nim(292) gen
Nim/compiler/vmgen.nim(2012) gen
Nim/compiler/vmgen.nim(1181) genMagic
Nim/compiler/vmgen.nim(287) gen
Nim/compiler/vmgen.nim(1977) gen
Nim/compiler/vmgen.nim(1467) checkCanEval
Nim/compiler/vmgen.nim(1438) cannotEval
Nim/compiler/msgs.nim(541) liMessage
Nim/compiler/msgs.nim(414) handleError
Nim/compiler/msgs.nim(397) quit
FAILURE