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HEAD
somewhere to keep track of release notes for 6.6
[ghc-hetmet.git]
/
docs
/
users_guide
/
6.6-notes.xml
1
Compiler:
2
- SMP support
3
- GHC API
4
- better GC for IORef/IOArray and lots of threads
5
- loosen rules on instance decls
6
- impredicative types
7
- completion in GHCi
8
- UTF-8 source files
9
- bang patterns
10
- :main
11
- breakpoints
12
13
Libraries:
14
- Data.ByteString
15
- hslibs removed
16
17
Internals/Source tree:
18
- NCG handles loops
19
- unknown calls take args in registers, if available
20
- x86_64: more argument regs
21
- refactored HscMain
22
- darcs
23
- source tree flattened