#3035 TININative backend completely broken

[Gabriel Ravier]

int x = 0;

Compiling this with sdcc test.c -mTININative results in this :

at 1: error 9: FATAL Compiler Internal Error in file 'SDCCsymt.c' line number '4176' : typeFromStr: unknown type 
Contact Author with source code
unknown: us
at 1: error 9: FATAL Compiler Internal Error in file 'SDCCsymt.c' line number '4176' : typeFromStr: unknown type 
Contact Author with source code
unknown: us

This triggers on essentially any non-ridiculously trivial C file , so this makes looking for other bugs in the TININative backend rather hard.