abstract	- abstract functions
alignof		- gcc alignof builtin
ambiguity	- diagnosing ambiguities
arm		- ARM cases
array-refs	- arrays of references
bit-fields	- bit fields
chainon		- deaths cuz we call chainon() incorrectly
copy		- copy constructors
crash		- old compiler crashes/aborts
cvt		- user-defined conversions
def-fns		- default function generation (in add'n to copy)
enum-clash	- int vs enum
enum		- enumerated types
err-msg		- error messages
friend		- dealing with friend functions and classes
groff		- crashes derived from groff code
init		- initialization bugs
label		- handling labels
line		- line numbers in error messages
misc		- miscellaneous tests that didn't fit another category
nest		- nested types
new-array	- doing new of an array
new		- generic operator new bugs
operators	- tests for various overloaded operators
parse		- parser bugs
prepost		- prefix/postfix operator ++/--
ptolemy		- bugs derived from ptolemy
recurse		- infinite recursion in the compiler
redecl		- handling redeclarations
scope		- managing scopes
shadow		- shadowing of params, etc
sizeof		- ARM compliance w/ sizeof operator
sorry		- old "sorry, not implemented" messages
static		- handling static data
template	- template bugs
union		- handling unions
visibility	- access control and visibility checking
warnings	- warning messages