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# Change Log: 2.089.1

Download D 2.089.1
released Dec 14, 2019

2.089.1 comes with 22 fixed Bugzilla issues. A huge thanks goes to the 19 contributors who made 2.089.1 possible.
List of all bug fixes and enhancements in D 2.089.1.

List of all bug fixes and enhancements in D 2.089.1:

#### DMD Compiler regressions

1. Bugzilla 15069: [REG2.064] nonsense struct template instantiations still compile
2. Bugzilla 19884: [regression] Error: alias op = op; cannot alias itself, use a qualified name to create an overload set
3. Bugzilla 20348: [Reg 2.089.0-rc.1] Bad debug info for enum forward references
4. Bugzilla 20349: [REG2.087] ICE with sqrt
5. Bugzilla 20376: @disable this(ref return scope Foo rhs) enables broken binaries (out-of-bounds access)
6. Bugzilla 20388: Parse error when compiling lambdas in mixins as template parameters
7. Bugzilla 20416: [Regression 2.073.2] compiler complains about escaping reference in certain cases
8. Bugzilla 20420: [REG2.067] inlining error with a valid function

#### DMD Compiler bugs

1. Bugzilla 20092: void[1] auto slicing makes the compiler hang
2. Bugzilla 20253: bad debug line info for function without epilog
3. Bugzilla 20264: ICE on illegal cast to vector.
4. Bugzilla 20280: Compiler segfault when building two small files
5. Bugzilla 20366: CTFE foreach_reverse on array with utf characters crashes compiler
6. Bugzilla 20431: Allow a Mixin Type to resolve to an expression where it makes sense
7. Bugzilla 20441: Wrong code with -O -fPIC and pointer subtraction

#### DMD Compiler enhancements

1. Bugzilla 20356: exceeding template expansion limits

#### Phobos regressions

1. Bugzilla 20054: getSymbolsByUDA no longer works on modules
2. Bugzilla 20350: JSONType deprecations should be undeprecated
3. Bugzilla 20354: interface is not supported by CanCAS in core.internal.atomic

#### Druntime regressions

1. Bugzilla 20438: [Reg 2.086] GC: memory not reusable when calling GC.collect after GC.free

#### Druntime bugs

1. Bugzilla 20355: undefined identifier U in core.atomic

#### Tools bugs

1. Bugzilla 20386: Test extractor shouldn't emit unit tests, but regular functions for @betterC tests

### Contributors to this release (19)

A huge thanks goes to all the awesome people who made this release possible.

- Basile Burg
- Boris Carvajal
- Carsten Schlote
- dukc
- Iain Buclaw
- lempiji
- Martin Kinkelin
- Martin Nowak
- MoonlightSentinel
- Nicholas Wilson
- Petar Kirov
- Rainer Schuetze
- Razvan Nitu
- Robert Schadek
- Sebastian Wilzbach
- Simen Kjærås
- Stian Gulpen
- Walter Bright
- سليمان السهمي (Suleyman Sahmi)

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