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DWARF version is clamped to at most 3 #13611

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alexcrichton opened this issue Apr 18, 2014 · 2 comments
Closed

DWARF version is clamped to at most 3 #13611

alexcrichton opened this issue Apr 18, 2014 · 2 comments
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A-codegen Area: Code generation A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.)

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@alexcrichton
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Looks like LLVM is capabable of and is currently emitting dwarf version 4 (after upgrading LLVM to the current master). Our bots don't have a gdb which understands this version of dwarf (they're all on gdb 7.4), but gdb 7.6 does indeed understand this version.

For now I'm going to clamp the emitted version to 3 for all platforms but mac (which is on version 2), but we should in theory do something more graceful.

cc @michaelwoerister
cc #13513
alexcrichton added a commit to alexcrichton/rust that referenced this issue Apr 18, 2014
@alexcrichton
debuginfo: Clamp the maximum dwarf version to 3
426d701 
This is a consequence of rust-lang#13611 and our bots running a "fairly old" gdb which
doesn't understand the newer versions of dwarf.
@michaelwoerister
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I don't think that this will be an actual issue anytime soon, as we don't use anything DWARF 4 specific, as far as I know.

@thestinger
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I think DWARF 4 makes the debug information smaller, so it would be nice to get the bots upgraded to use it eventually.

@thestinger thestinger mentioned this issue Sep 18, 2014
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bors added a commit that referenced this issue Sep 18, 2014
@bors
auto merge of #17364 : thestinger/rust/debuginfo, r=pnkfelix
d485e87 
Closes #13611
bors added a commit to rust-lang-ci/rust that referenced this issue Jan 9, 2023
@bors
Auto merge of rust-lang#13611 - yue4u:fix/completion-after-colon, r=y…
34e2bc6 
…ue4u

fix: filter unnecessary completions after colon

close rust-lang#13597
related: rust-lang#10173

This PR also happens to fix two extra issues:

1. The test case in https://github.com/rust-lang/rust-analyzer/blob/master/crates/ide-completion/src/tests/attribute.rs#L778-L801 was never triggered in previous behavior.

after:

https://user-images.githubusercontent.com/26110087/201476995-56adf955-0fa7-4f75-ab32-28a8e6cb9504.mp4

<del>
2. completions were triggered even in invalid paths, like

```rust
fn main() {
    core:::::$0
}
```

```rust
#[:::::$0]
struct X;
```

</del>

only `:::` is excluded as discussed in rust-lang/rust-analyzer#13611 (comment)
flip1995 pushed a commit to flip1995/rust that referenced this issue Nov 7, 2024
@bors
Auto merge of rust-lang#13611 - xFrednet:0-giraffate-alumni, r=xFrednet
12ca363 
Unvacation giraffate and remove gh-pages -> xFrednet assignment

changelog: none

r? `@ghost`
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A-codegen Area: Code generation A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.)
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stop clamping the DWARF version to 3 on Linux
3 participants
@alexcrichton @thestinger @michaelwoerister