Print file name and line number in codedump if available.
Use int32_t as line variable type.
Add doubling stack extend, as fix for #2016
Merge pull request #2147 from take-cheeze/dump_line_file

Print file name and line number in codedump if available.
Merge pull request #2158 from kyab/support_doubling_stack

Add doubling stack extend, as fix for #2016