Auto merge of #56186 - kennytm:rollup, r=kennytm

Auto merge of #56186 - kennytm:rollup, r=kennytm

Rollup of 14 pull requests

Successful merges:

 - #55767 (Disable some pretty-printers when gdb is rust-enabled)
 - #55838 (Fix #[cfg] for step impl on ranges)
 - #55869 (Add std::iter::unfold)
 - #55945 (Ensure that the argument to `static_assert` is a `bool`)
 - #56022 (When popping in CTFE, perform validation before jumping to next statement to have a better span for the error)
 - #56048 (Add rustc_codegen_ssa to sysroot)
 - #56091 (Fix json output in the self-profiler)
 - #56097 (Fix invalid bitcast taking bool out of a union represented as a scalar)
 - #56116 (ci: Download clang/lldb from tarballs)
 - #56120 (Add unstable Literal::subspan().)
 - #56154 (Pass additional linker flags when targeting Fuchsia)
 - #56162 (std::str Adapt documentation to reality)
 - #56163 ([master] Backport 1.30.1 release notes)
 - #56168 (Fix the tracking issue for hash_raw_entry)

Failed merges:

r? @ghost