compiler.cfg.build-stack-frame.tests: improved fix for the test case
cpu.architecture.tests: fix tests for win 64
compiler.codegen.gc-maps.tests: fix tests for win 64
compiler.cfg.*: getting an instruction sequence from a cfg is used in a few tests so let's make a word for it
tools.gc-decode: tests now get invariants from the compiler instead of hardcoding them
Revert "parser: Print "Loading" message as a comment for homoiconicity. See #1221."

This reverts commit 10cf6e3dd2b095e6d9f35a0d0e5f98bfe3f78f02.