gcc/testsuite/g++.dg/README

   1 Subdirectories:
   2
   3 abi      Tests for ABI compatibility -- mangling, object layout, etc.
   4 compat   Tests for binary compatibility (consistency, not ABI conformance)
   5 cpp      Tests for the preprocessor.
   6 eh       Tests for exception handling.
   7 expr     Tests for expressions.
   8 ext      Tests for GNU language extensions.
   9 inherit  Tests for inheritance -- virtual functions, multiple inheritance, etc.
  10 init     Tests for initialization semantics, constructors/destructors, etc.
  11 lookup   Tests for lookup semantics, namespaces, using, etc.
  12 overload Tests for overload resolution and conversions.
  13 parse    Tests for parsing.
  14 rtti     Tests for run-time type identification (typeid, dynamic_cast, etc.)
  15 template Tests for templates.
  16 warn     Tests for compiler warnings.
  17
  18 other    Tests that don't fit into one of the other categories.
  19
  20 special  Tests that need custom expect code to run them; see special/ecos.exp
  21          for an example.