debuginfo-gdb tests can't handle new gdb that supports rust

Lots of error: line not found in debugger output e.g. see buildlog for 1.13.0~~nightly.20160904, shorter snippet of one failure: https://paste.debian.net/812883/

test result: FAILED. 37 passed; 65 failed; 3 ignored; 0 measured

@brson

@brson @alexcrichton We need test infrastructure that uses a Rust-enabled version of GDB.

cc @tromey @Manishearth

set language rust might be necessary in those tests?

Discussed during tools triage today, conclusions were:

Ideally tests would support all versions of GDB, perhaps even including a gdb/lldb style split of assertions and commands for newer versions of GDB
We should have bots testing both versions of GDB
- This may involve two bots with two versions of GDB
- It may also involve one bot testing two versions of GDB

This is an example of a failure, which also makes it quite obvious why the tests fail:

error: line not found in debugger output: $4 = {a = 3, b = 4, c = 5, d = 6, e = 7, f = 8, g = 9, h = 10}
<snip>
$4 = function_arg_initialization::BigStruct {a: 3, b: 4, c: 5, d: 6, e: 7, f: 8, g: 9, h: 10}

This is a very nasty failure case because I haven’t seen a successful run of tests on arch for months now.

I've got a PR ready, which fixes all those tests (for GDB trunk), #37410.

Rollup merge of rust-lang#37410 - TimNN:gdb-next-gen, r=alexcrichton

#37410 was closed, does that mean this is now fixed? It doesn't seem to be in 1.14.0, will it be in 1.15.0?

Ping! Can this be closed? A fix was apparently merged in #37597

Yes, I think this can be considered fixed.

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debuginfo-gdb tests can't handle new gdb that supports rust #36323

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debuginfo-gdb tests can't handle new gdb that supports rust #36323

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michaelwoerister commented on Sep 8, 2016

Manishearth commented on Sep 8, 2016

alexcrichton commented on Oct 5, 2016

nagisa commented on Nov 3, 2016

TimNN commented on Nov 3, 2016

infinity0 commented on Dec 24, 2016

infinity0 commented on Feb 28, 2017

michaelwoerister commented on Feb 28, 2017

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