Fixes #29801

(cherry picked from commit b71330d)

Our Phi handling assumes that it can references undefined memory, and
get back legal results, but our PhiC nodes were not initialized, so the
Phi node might see uninitialized results, and then cause the GC to
crash. This was observed in PkgEval on the PoreMatMod.jl package to
occur in recent Julia versions and master.

(cherry picked from commit ec3ec02)

* Symlink 7z

* Simplify

Co-authored-by: Elliot Saba <[email protected]>

Co-authored-by: Elliot Saba <[email protected]>
(cherry picked from commit 5e2894b)

…ions.

(cherry picked from commit 780ebea)

This patch includes two sets of changes.

(1) `jl_thread_suspend_and_get_state` uses `pthread_cond_timedwait` to
recover from the case where the request is not received by the signal
handler. This is required because `usr2_handler` contains some paths
for the case where it is not possible to obtain `ptls`.

(2) `ctx_switch` now makes sure to null out `ptls` of the last task
(`lastt->ptls = NULL`) after changing the current task by updating
pgcstack (`jl_set_pgcstack(&t->gcstack)`).  This closes the gap in
which `usr2_handler` can observe the null `ptls`.

Co-authored-by: Jameson Nash <[email protected]>
(cherry picked from commit 8131580)

Previously, we were disallowing the opposite of the orders that we intended to disallow.

(cherry picked from commit 28c49ce)

Co-authored-by: Jameson Nash <[email protected]>
(cherry picked from commit d958c8c)

If connect(::CustomClusterManager, ...) returns a custom transport
stream, use of that stream by the task in start_gc_msgs_task() may fail
due to the task executing in an old world age. Add an invokelatest() to
prevent this problem.

(cherry picked from commit a05bcb2)

* Document that cfunctions should not throw errors

This was not documented, see https://discourse.julialang.org/t/what-happens-when-you-throw-an-error-from-a-cfunction/71510?u=simonbyrne

* Update doc/src/manual/calling-c-and-fortran-code.md

Co-authored-by: Jameson Nash <[email protected]>

Co-authored-by: Jameson Nash <[email protected]>
(cherry picked from commit 0722f3c)

`promote_typejoin_tuple` returned a type which was more precise
than the one which `map` and `collect` actually use via `promote_type`,
triggering an assertion error in corner cases.

(cherry picked from commit edea1de)

(cherry picked from commit f60736f)

Includes several fixes: JuliaLang/libuv@c6869fb...3a63bf7

(cherry picked from commit 04d486b)

The added condition improves compatiblity with Nix mtime.

(cherry picked from commit f5e0f9d)

Co-authored-by: Rafael Fourquet <[email protected]>

Co-authored-by: Rafael Fourquet <[email protected]>
(cherry picked from commit e9430c9)

… build Julia (#43073)

(cherry picked from commit a21cc80)

(cherry picked from commit 3103102)

A `@testset` is supposed to restore the "global RNG state" as
it was before execution (so that they can be re-ordered easily, etc.)
Also, before a testset starts, the default RNG is re-seeded with the
"global seed" (to help reproduce test failures).

Before `Xoshiro` as the default RNG, the "global seed" was stored
within a `MersenneTwister` object. It was enough for a testset to
copy the default RNG at the start, and copy it back at the end.
But now the global seed is stored outside of the RNG, so it should
also be restored separately.

(cherry picked from commit 08ea2d8)

In order to allow `Argument`s to be printed nicely.

> before
```julia
julia> code_typed((Float64,)) do x
           sin(x)
       end
1-element Vector{Any}:
 CodeInfo(
1 ─ %1 = invoke Main.sin(_2::Float64)::Float64
└──      return %1
) => Float64

julia> code_typed((Bool,Any,Any)) do c, x, y
           z = c ? x : y
           z
       end
1-element Vector{Any}:
 CodeInfo(
1 ─      goto #3 if not c
2 ─      goto #4
3 ─      nothing::Nothing
4 ┄ %4 = φ (#2 => _3, #3 => _4)::Any
└──      return %4
) => Any
```

> after
```julia
julia> code_typed((Float64,)) do x
           sin(x)
       end
1-element Vector{Any}:
 CodeInfo(
1 ─ %1 = invoke Main.sin(x::Float64)::Float64
└──      return %1
) => Float64

julia> code_typed((Bool,Any,Any)) do c, x, y
           z = c ? x : y
           z
       end
1-element Vector{Any}:
 CodeInfo(
1 ─      goto #3 if not c
2 ─      goto #4
3 ─      nothing::Nothing
4 ┄ %4 = φ (#2 => x, #3 => y)::Any
└──      return %4
) => Any
```

This at least shows the argument types. In the future we may want
to add some logic to the errorshow code to improve this even further,
but good enough for now.

…3163)

fix #43123

(cherry picked from commit d44a534)

…) (#43241)

* Fix stack pointer retrieval in jl_backtrace_from_here (#42585)

Co-authored-by: Jameson Nash <[email protected]>
(cherry picked from commit 455236e)

* Avoid using call-site `@noinline`