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Fill in missing parts of Integer overflow API
See todo list at #22020
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(The cast from the 64-bit value to isize was using the lower 32-bits,
which led to it being treated as a large positive value rather than a
smallish negative one. The fix was to use the same bits for the upper-
and lower- 32 bits.)
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Whenever a type implements Deref, rustdoc will now add a section to the "methods
available" sections for "Methods from Deref<Target=Foo>", listing all the
inherent methods of the type `Foo`.
Closes #19190
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One of the parameters to the magical "register a thread-local destructor"
function is called `__dso_handle` and largely just passed along (this seems to
be what other implementations do). Currently we pass the *value* of this symbol,
but apparently the correct piece of information to pass is the *address* of the
symbol.
In a PIE binary the symbol actually contains an address to itself which is why
we've gotten away with what we're doing as long as we have. In a non-PIE binary
the symbol contains the address `NULL`, causing a segfault in the runtime
library if it keeps going.
Closes #24445
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closes #24434
This PR changes executes `syntax::config::strip_unconfigured_items` before `syntax::feature_gate::check_crate_macros(sess.codemap()`. As far as I know, `strip_unconfigured_items` should be independent of `check_crate_macros`.
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This is a little bit tricky, since with include_str!, we know that we
are including utf-8 content, so it's safe to store the source as a
String in a FileMap. We don't know that for include_bytes!, but I don't
think we actually need to track the contents anyways, so I'm passing "".
new_filemap does check for the zero length content, and it should be
reasonable, howeven I'm not sure if it would be better to pass None
instead of Some(Rc::new("")) as the src component of a FileMap.
Fixes bug #24348
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r? @alexcrichton
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It was an oversight that this was not done in the great int upheaval.
[breaking-change]
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It was an oversight that this was not done in the great int upheaval.
[breaking-change]
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- Successful merges: #24425, #24435, #24438, #24440, #24449, #24457, #24460, #24465, #24467, #24468, #24471, #24476, #24480
- Failed merges:
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Closes #24197
Closes #24375
These ICEs are fixed on nightly.
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Extend rustc::middle::dataflow to allow filtering kills from flow-exits.
Fix borrowck analysis so that it will not treat a break that pops through an assignment
```rust
x = { ... break; ... }
```
as a kill of the "moved-out" bit for `x`.
Fix #24267.
[breaking-change], but really, its only breaking code that was already buggy.
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One of the parameters to the magical "register a thread-local destructor"
function is called `__dso_handle` and largely just passed along (this seems to
be what other implementations do). Currently we pass the *value* of this symbol,
but apparently the correct piece of information to pass is the *address* of the
symbol.
In a PIE binary the symbol actually contains an address to itself which is why
we've gotten away with what we're doing as long as we have. In a non-PIE binary
the symbol contains the address `NULL`, causing a segfault in the runtime
library if it keeps going.
Closes #24445
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This tests that both include_str! and include_bytes! mark their input
file as a dependancy, and it's correctly outputted when you run
`rustc --emit dep-info`.
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`s/([^\(\s]+\.)len\(\) [(?:!=)>] 0/!$1is_empty()/g`
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`s/(?<!\{ self)(?<=\.)len\(\) == 0/is_empty()/g`
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closes #24434
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Conflicts:
src/libstd/thread/mod.rs
src/test/bench/shootout-mandelbrot.rs
src/test/bench/shootout-reverse-complement.rs
src/test/run-pass/capturing-logging.rs
src/test/run-pass/issue-9396.rs
src/test/run-pass/tcp-accept-stress.rs
src/test/run-pass/tcp-connect-timeouts.rs
src/test/run-pass/tempfile.rs
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Fixes #24365
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Fixes #20596 by making `Debug` render negative zero with a `-` without affecting the behavior of `Display`.
While I was at it, I also removed some dead code from `float_to_str_bytes_common` (the one from `libcore/fmt/float.rs`, not the function of the same name in `libstd/num/strconv.rs`). It had support for different bases, and for negative numbers, but the function is internal to core and the couple places that call it (all in `libcore/fmt/mod.rs`) never use those features: They pass in `num.abs()` and base 10.
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Fixes #24353
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Fixes #22953.
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As i proposed in #24262 (and found acceptance in the IRC channel), added a compiler warning for wrong escaping of curly braces.
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Fixes #24365
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in a format string if a wrongly escaped one is detected in a string.
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This PR makes `rustc` emit field names for tuple fields in DWARF. Formerly there was no way of directly accessing the fields of a tuple in GDB and LLDB since there is no C/C++ equivalent to this. Now, the debugger sees the name `__{field-index}` for tuple fields. So you can type for example `some_tuple_val.__2` to get the third tuple component.
When pretty printers are used (e.g. via `rust-gdb` or `rust-lldb`) these artificial field names will not clutter tuple rendering (which was the main motivation for not doing this in the past).
Solves #21948.
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Fixes #24353
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Now that the internals of `format_args!` are unstable, tests that use it
don't compile after pretty-printing (unless they also declare the necessary
feature).
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debuggers.
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Closes #16602
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Also fixed bug calling .note() instead of .help()
See #24036
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* In `noop_fold_expr`, call `new_span` in these cases:
- `ExprMethodCall`'s identifier
- `ExprField`'s identifier
- `ExprTupField`'s integer
Calling `new_span` for `ExprMethodCall`'s identifier is necessary to print
an acceptable diagnostic for `write!(&2, "")`. We see this error:
```
<std macros>:2:20: 2:66 error: type `&mut _` does not implement any method in scope named `write_fmt`
<std macros>:2 ( & mut * $ dst ) . write_fmt ( format_args ! ( $ ( $ arg ) * ) ) )
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
With this change, we also see a macro expansion backtrace leading to
the `write!(&2, "")` call site.
* After fully expanding a macro, we replace the expansion expression's
span with the original span. Call `fld.new_span` to add a backtrace to
this span. (Note that I'm call `new_span` after `bt.pop()`, so the macro
just expanded isn't on the backtrace.)
The motivating example for this change is `println!("{}")`. The format
string literal is `concat!($fmt, "arg")` and is inside the libstd macro.
We need to see the backtrace to find the `println!` call site.
* Add a backtrace to the `format_args!` format expression span.
r? alexcrichton
Addresses #23459
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Fix #23896.
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