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`nim check SIGSEGV` (causing nimsuggest to fail too) #10547

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timotheecour opened this issue Feb 4, 2019 · 0 comments

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commented Feb 4, 2019

invalid code that should not crash nim check (crashes are bad because it crashes nimsuggest; it's root cause of nim-lang/nimsuggest#83 which is itself root cause of Varriount/NimLime#99)

const testCase {.strdefine.}: string=0
when false: discard
elif testCase == "test1":
nim check $timn_D/tests/nim/all/t0184.nim
t0184.nim(9, 1) Error: invalid indentation
t0184.nim(9, 1) Error: expression expected, but found '[EOF]'
t0184.nim(5, 38) Error: type mismatch: got <int literal(0)> but expected 'string'
  const testCase {.strdefine.}: string=0
                                       ^
SIGSEGV: Illegal storage access. (Attempt to read from nil?)

with stacktraces: nim:

/Users/timothee/git_clone/nim/Nim/compiler/nim.nim(109) nim
/Users/timothee/git_clone/nim/Nim/compiler/nim.nim(73) handleCmdLine
/Users/timothee/git_clone/nim/Nim/compiler/cmdlinehelper.nim(92) loadConfigsAndRunMainCommand
/Users/timothee/git_clone/nim/Nim/compiler/main.nim(305) mainCommand
/Users/timothee/git_clone/nim/Nim/compiler/main.nim(61) commandCheck
/Users/timothee/git_clone/nim/Nim/compiler/modules.nim(134) compileProject
/Users/timothee/git_clone/nim/Nim/compiler/modules.nim(79) compileModule
/Users/timothee/git_clone/nim/Nim/compiler/passes.nim(194) processModule
/Users/timothee/git_clone/nim/Nim/compiler/passes.nim(86) processTopLevelStmt
/Users/timothee/git_clone/nim/Nim/compiler/sem.nim(608) myProcess
/Users/timothee/git_clone/nim/Nim/compiler/sem.nim(571) semStmtAndGenerateGenerics
/Users/timothee/git_clone/nim/Nim/compiler/semstmts.nim(2091) semStmt
/Users/timothee/git_clone/nim/Nim/compiler/semexprs.nim(924) semExprNoType
/Users/timothee/git_clone/nim/Nim/compiler/semexprs.nim(2593) semExpr
/Users/timothee/git_clone/nim/Nim/compiler/semstmts.nim(2031) semStmtList
/Users/timothee/git_clone/nim/Nim/compiler/semexprs.nim(2517) semExpr
/Users/timothee/git_clone/nim/Nim/compiler/semexprs.nim(2146) semWhen
/Users/timothee/git_clone/nim/Nim/compiler/sem.nim(354) semConstExpr
/Users/timothee/git_clone/nim/Nim/compiler/vm.nim(1908) evalConstExpr
/Users/timothee/git_clone/nim/Nim/compiler/vm.nim(1904) evalConstExprAux
/Users/timothee/git_clone/nim/Nim/compiler/vm.nim(877) rawExecute
/Users/timothee/git_clone/nim/Nim/lib/system.nim(3022) sysFatal
Error: unhandled exception: node is not accessible [FieldError]

note

seems unrelated to nim-lang/nimsuggest#93 ; the stacktraces are different

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