[parrot/parrot] c74781: be better about communicating success/failure from...

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Branch: refs/heads/whiteknight/imcc_compreg_pmc
Home:   https://github.com/parrot/parrot

Commit: c7478155097f63a5931f0a0e1a085c20ee233917
    https://github.com/parrot/parrot/commit/c7478155097f63a5931f0a0e1a085c20ee233917
Author: Whiteknight <wknight8111 at gmail.com>
Date:   2011-02-08 (Tue, 08 Feb 2011)

Changed paths:
  M compilers/imcc/imcc.l
  M compilers/imcc/imclexer.c
  M compilers/imcc/main.c
  M compilers/imcc/parser.h
  M src/pmc/imccompiler.pmc

Log Message:
-----------
be better about communicating success/failure from the guts of IMCC. throw a non-stupid exception on failure. This fixes some test failures, but not as many as I had hoped