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right shift is now by default sign preserving (#11322)

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* right shift is now by default sign preserving
* fix hashString and semfold
* enable arithmetic shift right globally for CI
* fix typo
* remove xxx
* use oldShiftRight as flag
* apply feedback
* add changelog entry
This commit is contained in:
Arne Döring 2019-05-29 16:48:00 +02:00 • committed by Andreas Rumpf
commit 88b5dd3362
18 changed files with 211 additions and 187 deletions
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changelog.md
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@ -46,9 +46,13 @@
- A bug allowed `macro foo(): int = 123` to compile even though a
macros has to return a `NimNode`. This has been fixed.
- `shr` is now sign preserving. Use `-d:oldShiftRight` to enable old
behavior globally.
- With the exception of `uint` and `uint64`, conversion to unsigned types
are now range checked during runtime.
#### Breaking changes in the standard library
- `osproc.execProcess` now also takes a `workingDir` parameter.