diff options
| author | Martin Odersky <odersky@gmail.com> | 2014-02-19 11:08:29 +0100 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2014-02-21 18:42:50 +0100 |
| commit | 2633300305df2cc40142d287cb715c3bd8561fc8 (patch) | |
| tree | 2cf4146fa24a81edcd6ca8496bbadef3a133d50b /src/dotty/tools/dotc/core/SymDenotations.scala | |
| parent | d0568c1a5717a6adc22f74b93552394a9c4c586f (diff) | |
| download | dotty-2633300305df2cc40142d287cb715c3bd8561fc8.tar.gz dotty-2633300305df2cc40142d287cb715c3bd8561fc8.tar.bz2 dotty-2633300305df2cc40142d287cb715c3bd8561fc8.zip | |
Drop unique hashing for superId bitsets
Reason: (1) There are few sets: When compiling doty itself, 1.2K sets total, hashed to 500 uniques. (2) Bitset comparison is expensive because it relies on a double inclusion test. (This should be fixed in the Scala stdlib).
Diffstat (limited to 'src/dotty/tools/dotc/core/SymDenotations.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/SymDenotations.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/SymDenotations.scala b/src/dotty/tools/dotc/core/SymDenotations.scala index 1bb912059..b377817f9 100644 --- a/src/dotty/tools/dotc/core/SymDenotations.scala +++ b/src/dotty/tools/dotc/core/SymDenotations.scala @@ -872,7 +872,7 @@ object SymDenotations { to } myBaseClasses = classSymbol :: addParentBaseClasses(classParents, Nil) - mySuperClassBits = ctx.uniqueBits.findEntryOrUpdate(seen.toImmutable) + mySuperClassBits = seen.toImmutable } /** A bitset that contains the superId's of all base classes */ |