[Issue 10684] Refused array op with array literal

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10684



--- Comment #3 from github-bugzilla at puremagic.com 2013-10-17 23:53:19 PDT ---
Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/f78a770f469fcc60d450e1b9fcd03fbc9ffb010d
fix Issue 10684 - Refused array op with array literal

Accept array literals as the operand of array-ops.

---

Since, array-ops had required explicit slice to the array literal operands,
eg. `a[] = [1,2][] + c[];`

By the commit:
https://github.com/9rnsr/dmd/commit/f703c5c6551affddd9213f759657a2b3e391b935
now the redundant slice operators at the right side of an array literal is
entirely removed - `[1,2,3][][]` is rewritten to `[1,2,3]`.

Although it has broke existing code using array-ops, I still cannot think
the optimization was incorrect.

On the other hand, I could not find the description about the necessity of
explicit slice on array literal from the language spec.
http://dlang.org/arrays.html#array-operations
It looked to me that is just an implementation-specific restriction.

So, I implemented this as the easiest way to fix the issue.

https://github.com/D-Programming-Language/dmd/commit/f39979fde3b2000047c6aae652a42db5572a2a38
Merge pull request #2672 from 9rnsr/fix10684

[REG2.063][enh] Issue 10684 - Refused array op with array literal

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