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Some GCC C compilers can't subtract higher pointers from lower pointers properly, when those pointers must be scaled (because they point to objects that are wider than a char). The scaling is done as unsigned which makes the difference positive instead of negative. So, a broken expression was changed into a direct comparison between the two pointers.
This directory contains test code for automatic regression testing of the CC65
compiler.
/val - the bulk of tests are contained here, individual tests should exit with
an exit code of EXIT_SUCCESS when they pass, or EXIT_FAILURE on error
/ref - these tests produce output that must be compared with reference output
/err - contains tests that MUST NOT compile
/misc - a few tests that need special care of some sort
to run the tests use "make" in this (top) directory, the makefile should exit
with no error.
when a test failed you can use "make continue" to run further tests
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TODO:
- reduce usage of "common.h" to a minimum
- convert more tests from using reference output to returning an exit code