fix typo in whereis

Author: KristofferC

src/utils.jl

@@ -168,7 +168,7 @@ function CodeTracking.whereis(framecode::FrameCode, pc)
     codeloc == 0 && return nothing
     lineinfo = framecode.src.linetable[codeloc]
     return isa(framecode.scope, Method) ?
-        whereis(lineinfo, framecode.scope) : getfile(lineinfo), getline(lineinfo)
+        whereis(lineinfo, framecode.scope) : (getfile(lineinfo), getline(lineinfo))
 end
 CodeTracking.whereis(frame::Frame, pc=frame.pc) = whereis(frame.framecode, pc)
 

test/interpret.jl

@@ -384,3 +384,10 @@ end
     x = Union{Array{UInt8,N},Array{Int8,N}} where N
     @test isa(JuliaInterpreter.prepare_call(varargidentity, [varargidentity, x])[1], JuliaInterpreter.FrameCode)
 end
+
+# Test return value of whereis
+f() = nothing
+fr = JuliaInterpreter.enter_call(f)
+file, line = JuliaInterpreter.whereis(fr)
+@test file == @__FILE__
+@test line == (@__LINE__() - 4)