Instead, just check the generic parameters, then do a lookup as usual in the
enclosing context.
Fixes crash suite #58 and quite a few others (~200). This looks way more
impressive than it is; in most of these test cases it's the exact same
pattern causing the crash, and that pattern was just the last outstanding
crash trigger in a sea of garbage. (The few deleted tests were identical
to #58.)
Swift SVN r24748
Add all compiler crash tests to the validation-test/compiler_crashers
subdirectory. Add a RUN: line to each test case according to the current
behavior of the Swift compiler.
Swift SVN r23418