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bors
783c3fcc1e Auto merge of #28345 - japaric:op-assign, r=nmatsakis 
Implements overload-able augmented/compound assignments, like `a += b` via the `AddAssign` trait, as specified in RFC [953]

[953]: https://github.com/rust-lang/rfcs/blob/master/text/0953-op-assign.md

r? @nikomatsakis
 2015-09-19 21:19:29 +00:00
bors
837840c61f Auto merge of #28516 - steveklabnik:rollup, r=steveklabnik 
- Successful merges: #28400, #28430, #28443, #28483, #28485, #28496, #28511, #28515
- Failed merges:
 2015-09-19 19:28:59 +00:00
bors
6db1a0ea7c Auto merge of #28497 - apasel422:issue-28493, r=Gankro 
When both the key and value types were zero-sized, `BTreeMap` previously
called `heap::allocate` with `size == 0` for leaf nodes, which is
undefined behavior, and jemalloc would attempt to read invalid memory,
crashing the process.

This avoids undefined behavior by allocating enough space to store one
edge in leaf nodes that would otherwise have `size == 0`. Although this
uses extra memory, maps with zero-sized key types that have sensible
implementations of the ordering traits can only contain a single
key-value pair (and therefore only a single leaf node), and maps with
key and value types that are both zero-sized have few uses, if any.

Furthermore, this is a temporary fix that will likely be unnecessary
once the `BTreeMap` implementation is rewritten to use parent pointers.

Closes #28493.
 2015-09-19 17:40:56 +00:00
Steve Klabnik
234f81c4a9 Rollup merge of #28515 - alex:patch-1, r=steveklabnik 
Repertory is a real world, but it doesn't really make sense in that context.
 2015-09-19 11:15:49 -04:00
Steve Klabnik
0622cf3ddd Rollup merge of #28511 - llogiq:printdoc, r=steveklabnik 
This closes #28510.
 2015-09-19 11:15:49 -04:00
Steve Klabnik
b2c7e7791a Rollup merge of #28496 - davidszotten:fix_error_anchors, r=steveklabnik 2015-09-19 11:15:48 -04:00
Steve Klabnik
d557f4a60f Rollup merge of #28485 - Wallacoloo:clarify-let-lhs, r=alexcrichton 
In code like `let x = 5`, I am initially confused as to the meaning of "let doesn't take a name on the left hand side, it actually accepts a pattern." - I interpret that as the pattern being located as: `<pattern> let [...]`.

I think what is meant is that the name/pattern is on the left hand side *of the assignment*, rather than to the left of the *let* statement. This change clarifies that.
 2015-09-19 11:15:48 -04:00
Steve Klabnik
00d64d6768 Rollup merge of #28483 - dagnir:compiler-test-doc-cleanup, r=alexcrichton 
Fix some minor spelling errors, remove a weirdly placed comma.
 2015-09-19 11:15:48 -04:00
Steve Klabnik
f1473b6c00 Rollup merge of #28443 - GuillaumeGomez:error_codes, r=Manishearth 
r? @Manishearth
 2015-09-19 11:15:48 -04:00
Steve Klabnik
d407903898 Rollup merge of #28430 - apasel422:issue-14698, r=alexcrichton 
Emit an error upon failing to create a temp dir instead of panicking

Closes #14698.
 2015-09-19 11:15:47 -04:00
Steve Klabnik
6872d13e96 Rollup merge of #28400 - badboy:disable-browser-history-on-file, r=steveklabnik 
history.pushState is defined, but not working whenever document.origin is "null"
(literally that string, not just the null object).
This is due to some security considerations and is unlikely to be ever working.

For now just disable the usage of the history API when the documentation
is accessed through a file:/// URL.

See https://code.google.com/p/chromium/issues/detail?id=301210 for a
Chrome-specific issue on the history API on file:/// URLs

Closes #25953
 2015-09-19 11:15:47 -04:00
Guillaume Gomez
1adcfb8c13 Add librustc_trans error codes 2015-09-19 17:04:27 +02:00
bors
0b5b029da1 Auto merge of #28494 - bluss:vecdeque-zst, r=eddyb 
VecDeque: Use power of two capacity even for zero sized types

VecDeque depends on using a power of two capacity. Use the largest
possible power of two capacity for ZSTs.

Fixes #28488
 2015-09-19 14:23:46 +00:00
bors
655b2ef45f Auto merge of #28495 - semarie:stdcpp-name, r=alexcrichton 
it makes rustc compatible with gcc installation that are using
`--program-transform-name' configure flag (on OpenBSD for example).

- detects at configure the name of stdc++ library on the system

- use the detected name in llvm makefile (with enable-static-stdcpp),
  and pass it to mklldeps.py

- generate mklldeps.rs using this detected name

note that CFG_STDCPP_NAME is about stdc++ name, not about libc++. If
using libc++, the default name will be `stdc++', but it won't be used
when linking.

r? @alexcrichton 

I added this support globally instead of just for OpenBSD as it isn't specially related to OpenBSD (except OpenBSD use it for gcc-4.9). And as I would had to change `llvm.mk', having just a default value in `configure' for others platforms won't be very useful.
 2015-09-19 12:35:23 +00:00
Alex Gaynor
a2fbf9da29 Fixed an apparent typo 
Repertory is a real world, but it doesn't really make sense in that context.
 2015-09-19 08:10:54 -04:00
David Szotten
5ab3058569 change back to anchors; divs break md 2015-09-19 12:06:36 +01:00
Ulrik Sverdrup
66f5dc1347 VecDeque: Use power of two capacity even for zero sized types 
VecDeque depends on using a power of two capacity. Use the largest
possible power of two capacity for ZSTs.
 2015-09-19 12:50:52 +02:00
David Szotten
f7d8b41814 missing punctuation 2015-09-19 11:45:30 +01:00
David Szotten
436e8d69bf its vs it's 2015-09-19 11:45:09 +01:00
David Szotten
3a5e9a3f99 wrap more referenced code blocks in divs 2015-09-19 11:44:55 +01:00
David Szotten
30c91cd7f7 angle brackets get mis-parsed. bug? 2015-09-19 11:43:57 +01:00
David Szotten
4e42fcd92a link needs puncuation 2015-09-19 11:43:32 +01:00
bors
b3afb16d24 Auto merge of #28491 - dotdash:noadjust, r=nikomatsakis 
That allows us to keep using trans_into() in case of adjustments that
may actually be ignored in trans because they are a plain deref/ref pair
with no overloaded deref or unsizing.

Unoptimized(!) benchmarks from servo/servo#7638

Before
```
test goser::bench_clone                          ... bench:      17,701 ns/iter (+/- 58) = 30 MB/s
test goser::bincode::bench_decoder               ... bench:      33,715 ns/iter (+/- 300) = 11 MB/s
test goser::bincode::bench_deserialize           ... bench:      36,804 ns/iter (+/- 329) = 9 MB/s
test goser::bincode::bench_encoder               ... bench:      34,695 ns/iter (+/- 149) = 11 MB/s
test goser::bincode::bench_populate              ... bench:      18,879 ns/iter (+/- 88)
test goser::bincode::bench_serialize             ... bench:      31,668 ns/iter (+/- 156) = 11 MB/s
test goser::capnp::bench_deserialize             ... bench:       2,049 ns/iter (+/- 87) = 218 MB/s
test goser::capnp::bench_deserialize_packed      ... bench:      10,707 ns/iter (+/- 258) = 31 MB/s
test goser::capnp::bench_populate                ... bench:         635 ns/iter (+/- 5)
test goser::capnp::bench_serialize               ... bench:      35,657 ns/iter (+/- 155) = 12 MB/s
test goser::capnp::bench_serialize_packed        ... bench:      37,881 ns/iter (+/- 146) = 8 MB/s
test goser::msgpack::bench_decoder               ... bench:      50,634 ns/iter (+/- 307) = 5 MB/s
test goser::msgpack::bench_encoder               ... bench:      25,738 ns/iter (+/- 90) = 11 MB/s
test goser::msgpack::bench_populate              ... bench:      18,900 ns/iter (+/- 138)
test goser::protobuf::bench_decoder              ... bench:       2,791 ns/iter (+/- 29) = 102 MB/s
test goser::protobuf::bench_encoder              ... bench:      75,414 ns/iter (+/- 358) = 3 MB/s
test goser::protobuf::bench_populate             ... bench:      19,248 ns/iter (+/- 92)
test goser::rustc_serialize_json::bench_decoder  ... bench:     109,999 ns/iter (+/- 797) = 5 MB/s
test goser::rustc_serialize_json::bench_encoder  ... bench:      58,777 ns/iter (+/- 418) = 10 MB/s
test goser::rustc_serialize_json::bench_populate ... bench:      18,887 ns/iter (+/- 76)
test goser::serde_json::bench_deserializer       ... bench:     104,803 ns/iter (+/- 770) = 5 MB/s
test goser::serde_json::bench_populate           ... bench:      18,890 ns/iter (+/- 69)
test goser::serde_json::bench_serializer         ... bench:      75,046 ns/iter (+/- 435) = 8 MB/s
```

After
```
test goser::bench_clone                          ... bench:      16,052 ns/iter (+/- 188) = 34 MB/s
test goser::bincode::bench_decoder               ... bench:      31,194 ns/iter (+/- 941) = 12 MB/s
test goser::bincode::bench_deserialize           ... bench:      33,934 ns/iter (+/- 352) = 10 MB/s
test goser::bincode::bench_encoder               ... bench:      30,737 ns/iter (+/- 1,969) = 13 MB/s
test goser::bincode::bench_populate              ... bench:      17,234 ns/iter (+/- 176)
test goser::bincode::bench_serialize             ... bench:      28,269 ns/iter (+/- 452) = 12 MB/s
test goser::capnp::bench_deserialize             ... bench:       2,019 ns/iter (+/- 85) = 221 MB/s
test goser::capnp::bench_deserialize_packed      ... bench:      10,662 ns/iter (+/- 527) = 31 MB/s
test goser::capnp::bench_populate                ... bench:         607 ns/iter (+/- 2)
test goser::capnp::bench_serialize               ... bench:      30,488 ns/iter (+/- 219) = 14 MB/s
test goser::capnp::bench_serialize_packed        ... bench:      33,731 ns/iter (+/- 201) = 9 MB/s
test goser::msgpack::bench_decoder               ... bench:      46,921 ns/iter (+/- 461) = 6 MB/s
test goser::msgpack::bench_encoder               ... bench:      22,315 ns/iter (+/- 96) = 12 MB/s
test goser::msgpack::bench_populate              ... bench:      17,268 ns/iter (+/- 73)
test goser::protobuf::bench_decoder              ... bench:       2,658 ns/iter (+/- 44) = 107 MB/s
test goser::protobuf::bench_encoder              ... bench:      71,024 ns/iter (+/- 359) = 4 MB/s
test goser::protobuf::bench_populate             ... bench:      17,704 ns/iter (+/- 104)
test goser::rustc_serialize_json::bench_decoder  ... bench:     107,867 ns/iter (+/- 759) = 5 MB/s
test goser::rustc_serialize_json::bench_encoder  ... bench:      52,327 ns/iter (+/- 479) = 11 MB/s
test goser::rustc_serialize_json::bench_populate ... bench:      17,262 ns/iter (+/- 68)
test goser::serde_json::bench_deserializer       ... bench:      99,156 ns/iter (+/- 657) = 6 MB/s
test goser::serde_json::bench_populate           ... bench:      17,264 ns/iter (+/- 77)
test goser::serde_json::bench_serializer         ... bench:      66,135 ns/iter (+/- 392) = 9 MB/s

```
 2015-09-19 08:26:55 +00:00
llogiq
49b1902345 added panic docs for print\! and println\! macros 2015-09-19 09:04:12 +02:00
bors
791cc1616a Auto merge of #28489 - kud1ing:patch-1, r=alexcrichton 
As of http://blog.rust-lang.org/2015/09/17/Rust-1.3.html
 2015-09-19 06:38:55 +00:00
bors
d97be7bd70 Auto merge of #28486 - nrc:pub-extern-crate, r=alexcrichton 
Temporary 'fix' for #26775

r? @brson
 2015-09-19 04:51:13 +00:00
Jorge Aparicio
f5569ecd76 address Niko's comments 2015-09-18 21:36:40 -05:00
Jorge Aparicio
3ae3a5fc3c Overloaded augmented assignments 2015-09-18 21:20:15 -05:00
bors
2915f89167 Auto merge of #28468 - nagisa:revert-negate-unsigned-warning, r=alexcrichton 
This reverts commit 0ca8e4994e.

Fixes #27141
 2015-09-19 01:59:56 +00:00
bors
6e5a325474 Auto merge of #28484 - nrc:fix-save, r=alexcrichton 
Should be lowering ast expressions to HIR expressions, not cheating via the hir map. That goes wrong now that there is not a 1:1 mapping between ast and hir (in the case of the crash due to ExprParen).
 2015-09-19 00:08:38 +00:00
David Szotten
634ffe5624 remove preceeding blank line 2015-09-18 22:16:31 +01:00
David Szotten
9d3deb4766 fix anchor link 2015-09-18 22:12:16 +01:00
bors
fb5de8ce57 Auto merge of #28465 - apasel422:tidy, r=alexcrichton 
It is likely that these were committed by mistake.
 2015-09-18 20:43:34 +00:00
Andrew Paseltiner
9526813f5b Avoid zero-sized leaf allocations in BTreeMap 
When both the key and value types were zero-sized, `BTreeMap` previously
called `heap::allocate` with `size == 0` for leaf nodes, which is
undefined behavior, and jemalloc would attempt to read invalid memory,
crashing the process.

This avoids undefined behavior by allocating enough space to store one
edge in leaf nodes that would otherwise have `size == 0`. Although this
uses extra memory, maps with zero-sized key types that have sensible
implementations of the ordering traits can only contain a single
key-value pair (and therefore only a single leaf node), and maps with
key and value types that are both zero-sized have few uses, if any.

Furthermore, this is a temporary fix that will likely be unnecessary
once the `BTreeMap` implementation is rewritten to use parent pointers.

Closes #28493.
 2015-09-18 15:27:17 -04:00
bors
72a10fa1d3 Auto merge of #28442 - nagisa:remove-enum-vis-field, r=alexcrichton 
Followup on #28440 

Do not merge before the referenced PR is merged. I will fix the PR once that is merged (or close if it is not)
 2015-09-18 18:51:04 +00:00
Simonas Kazlauskas
5104a93a0d Revert "Convert negate_unsigned feature gate to a warning" 
This reverts commit 0ca8e4994e and fixes the code to work with
current rustc.

Fixes #27141
 2015-09-18 20:22:16 +03:00
Guillaume Gomez
7badafa593 Add url to rust-book 2015-09-18 19:12:27 +02:00
bors
dc1c7975b0 Auto merge of #28336 - petrochenkov:empstr, r=pnkfelix 
Closes https://github.com/rust-lang/rust/issues/24266
Closes https://github.com/rust-lang/rust/issues/16819
 2015-09-18 16:57:21 +00:00
Sébastien Marie
913fe6dbe9 add support for non-standard name of stdc++ library 
it makes rustc compatible with gcc installation that are using
`--program-transform-name' configure flag (on OpenBSD for example).

- detects at configure the name of stdc++ library on the system

- use the detected name in llvm makefile (with enable-static-stdcpp),
  and pass it to mklldeps.py

- generate mklldeps.rs using this detected name

note that CFG_STDCPP_NAME is about stdc++ name, not about libc++. If
using libc++, the default name will be `stdc++', but it won't be used
when linking.
 2015-09-18 18:03:59 +02:00
bors
53ba768b8a Auto merge of #28492 - Ms2ger:a-name, r=steveklabnik 
The id attribute has been an official part of HTML since 1997. There is no
reason not to use it.
 2015-09-18 14:06:51 +00:00
Ms2ger
1a3b422207 Use divs with ids rather than as with names. 
The id attribute has been an official part of HTML since 1997. There is no
reason not to use it.
 2015-09-18 15:52:19 +02:00
Björn Steinbrink
2c17bfc20c Skip no-op adjustments in trans 
That allows us to keep using trans_into() in case of adjustments that
may actually be ignored in trans because they are a plain deref/ref pair
with no overloaded deref or unsizing.

Unoptimized(!) benchmarks from servo/servo#7638

Before
```
test goser::bench_clone                          ... bench:      17,701 ns/iter (+/- 58) = 30 MB/s
test goser::bincode::bench_decoder               ... bench:      33,715 ns/iter (+/- 300) = 11 MB/s
test goser::bincode::bench_deserialize           ... bench:      36,804 ns/iter (+/- 329) = 9 MB/s
test goser::bincode::bench_encoder               ... bench:      34,695 ns/iter (+/- 149) = 11 MB/s
test goser::bincode::bench_populate              ... bench:      18,879 ns/iter (+/- 88)
test goser::bincode::bench_serialize             ... bench:      31,668 ns/iter (+/- 156) = 11 MB/s
test goser::capnp::bench_deserialize             ... bench:       2,049 ns/iter (+/- 87) = 218 MB/s
test goser::capnp::bench_deserialize_packed      ... bench:      10,707 ns/iter (+/- 258) = 31 MB/s
test goser::capnp::bench_populate                ... bench:         635 ns/iter (+/- 5)
test goser::capnp::bench_serialize               ... bench:      35,657 ns/iter (+/- 155) = 12 MB/s
test goser::capnp::bench_serialize_packed        ... bench:      37,881 ns/iter (+/- 146) = 8 MB/s
test goser::msgpack::bench_decoder               ... bench:      50,634 ns/iter (+/- 307) = 5 MB/s
test goser::msgpack::bench_encoder               ... bench:      25,738 ns/iter (+/- 90) = 11 MB/s
test goser::msgpack::bench_populate              ... bench:      18,900 ns/iter (+/- 138)
test goser::protobuf::bench_decoder              ... bench:       2,791 ns/iter (+/- 29) = 102 MB/s
test goser::protobuf::bench_encoder              ... bench:      75,414 ns/iter (+/- 358) = 3 MB/s
test goser::protobuf::bench_populate             ... bench:      19,248 ns/iter (+/- 92)
test goser::rustc_serialize_json::bench_decoder  ... bench:     109,999 ns/iter (+/- 797) = 5 MB/s
test goser::rustc_serialize_json::bench_encoder  ... bench:      58,777 ns/iter (+/- 418) = 10 MB/s
test goser::rustc_serialize_json::bench_populate ... bench:      18,887 ns/iter (+/- 76)
test goser::serde_json::bench_deserializer       ... bench:     104,803 ns/iter (+/- 770) = 5 MB/s
test goser::serde_json::bench_populate           ... bench:      18,890 ns/iter (+/- 69)
test goser::serde_json::bench_serializer         ... bench:      75,046 ns/iter (+/- 435) = 8 MB/s
```

After
```
test goser::bench_clone                          ... bench:      16,052 ns/iter (+/- 188) = 34 MB/s
test goser::bincode::bench_decoder               ... bench:      31,194 ns/iter (+/- 941) = 12 MB/s
test goser::bincode::bench_deserialize           ... bench:      33,934 ns/iter (+/- 352) = 10 MB/s
test goser::bincode::bench_encoder               ... bench:      30,737 ns/iter (+/- 1,969) = 13 MB/s
test goser::bincode::bench_populate              ... bench:      17,234 ns/iter (+/- 176)
test goser::bincode::bench_serialize             ... bench:      28,269 ns/iter (+/- 452) = 12 MB/s
test goser::capnp::bench_deserialize             ... bench:       2,019 ns/iter (+/- 85) = 221 MB/s
test goser::capnp::bench_deserialize_packed      ... bench:      10,662 ns/iter (+/- 527) = 31 MB/s
test goser::capnp::bench_populate                ... bench:         607 ns/iter (+/- 2)
test goser::capnp::bench_serialize               ... bench:      30,488 ns/iter (+/- 219) = 14 MB/s
test goser::capnp::bench_serialize_packed        ... bench:      33,731 ns/iter (+/- 201) = 9 MB/s
test goser::msgpack::bench_decoder               ... bench:      46,921 ns/iter (+/- 461) = 6 MB/s
test goser::msgpack::bench_encoder               ... bench:      22,315 ns/iter (+/- 96) = 12 MB/s
test goser::msgpack::bench_populate              ... bench:      17,268 ns/iter (+/- 73)
test goser::protobuf::bench_decoder              ... bench:       2,658 ns/iter (+/- 44) = 107 MB/s
test goser::protobuf::bench_encoder              ... bench:      71,024 ns/iter (+/- 359) = 4 MB/s
test goser::protobuf::bench_populate             ... bench:      17,704 ns/iter (+/- 104)
test goser::rustc_serialize_json::bench_decoder  ... bench:     107,867 ns/iter (+/- 759) = 5 MB/s
test goser::rustc_serialize_json::bench_encoder  ... bench:      52,327 ns/iter (+/- 479) = 11 MB/s
test goser::rustc_serialize_json::bench_populate ... bench:      17,262 ns/iter (+/- 68)
test goser::serde_json::bench_deserializer       ... bench:      99,156 ns/iter (+/- 657) = 6 MB/s
test goser::serde_json::bench_populate           ... bench:      17,264 ns/iter (+/- 77)
test goser::serde_json::bench_serializer         ... bench:      66,135 ns/iter (+/- 392) = 9 MB/s

```
 2015-09-18 15:46:58 +02:00
Vadim Petrochenkov
1eb42f1c78 Add feature gate 2015-09-18 15:28:01 +03:00
Vadim Petrochenkov
605a472948 Add some more tests 2015-09-18 15:26:09 +03:00
Vadim Petrochenkov
5fa6e857c9 Implement empty struct with braces (RFC 218) 2015-09-18 15:26:08 +03:00
kud1ing
da059a4e28 Add 1.3 release date 
As of http://blog.rust-lang.org/2015/09/17/Rust-1.3.html
 2015-09-18 09:19:20 +02:00
Nick Cameron
269c59d341 Warn on pub extern crate. 
Temporary 'fix' for #26775
 2015-09-18 18:07:05 +12:00
Nick Cameron
66f662f37d Fix crash with --save-analysis 
Should be lowering ast expressions to HIR expressions, not cheating via the hir map. That goes wrong now that there is not a 1:1 mapping between ast and hir (in the case of the crash due to ExprParen).
 2015-09-18 16:41:11 +12:00
Colin Wallace
cbc9517b02 Clarify where let accepts a pattern, spatially 2015-09-17 21:39:19 -07:00
Dongie Agnir
5a91ba8e60 Fix spelling and remove weirdly placed comma. 2015-09-17 23:45:36 -04:00