Update to LLVM 12.0.1

[nikic]

LLVM 12.0.1 has been released, rebase our fork on top of it.

[rust-highfive]

r? @Mark-Simulacrum

(rust-highfive has picked a reviewer for you, use r? to override)

[rust-highfive]

⚠️ Warning ⚠️

• These commits modify submodules.

[nikic]

@bors try @rust-timer queue

[rust-timer]

Awaiting bors try build completion.

@rustbot label: +S-waiting-on-perf

[bors]

⌛ Trying commit b858e4cfffac2a0d500281062840cdb90627f8d0 with merge 184165bf6de407e41ed6f61f132dbcb951209113...

[bors]

☀️ Try build successful - checks-actions
Build commit: 184165bf6de407e41ed6f61f132dbcb951209113 (184165bf6de407e41ed6f61f132dbcb951209113)

[rust-timer]

Queued 184165bf6de407e41ed6f61f132dbcb951209113 with parent a84d1b2, future comparison URL.

[rust-timer]

Finished benchmarking try commit (184165bf6de407e41ed6f61f132dbcb951209113): comparison url.

Summary: This benchmark run did not return any significant changes.

If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf.

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up.

@bors rollup=never
@rustbot label: +S-waiting-on-review -S-waiting-on-perf -perf-regression

[Mark-Simulacrum]

r=me unless this is waiting for something

[nikic]

Nope, this should be a straightforward update.

@bors r=Mark-Simulacrum

[bors]

📌 Commit b858e4cfffac2a0d500281062840cdb90627f8d0 has been approved by Mark-Simulacrum

[bors]

⌛ Testing commit b858e4cfffac2a0d500281062840cdb90627f8d0 with merge b6bd22f9be9ba5576fa2fa910787ecfc5117359d...

[bors]

💔 Test failed - checks-actions

[nikic]

@bors r=Mark-Simulacrum

[bors]

📌 Commit abb1e64 has been approved by Mark-Simulacrum

[bors]

💥 Test timed out

[nikic]

@bors retry Looks like all builds actually passed, but probably too close to the timeout.

[bors]

⌛ Testing commit abb1e64 with merge 18f0d42099ee2f940c40146701ace4a5132159d5...

[rust-log-analyzer]

The job dist-x86_64-apple failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

      Memory: 14 GB
      Boot ROM Version: VMW71.00V.13989454.B64.1906190538
      Apple ROM Info: [MS_VM_CERT/SHA1/27d66596a61c48dd3dc7216fd715126e33f59ae7]Welcome to the Virtual Machine
      SMC Version (system): 2.8f0
      Serial Number (system): VMbfO/wvR6dx

hw.ncpu: 3
hw.byteorder: 1234
hw.memsize: 15032385536
---
[  7%] Building CXX object lib/Core/CMakeFiles/lldCore.dir/DefinedAtom.cpp.o
[  8%] Building CXX object Common/CMakeFiles/lldCommon.dir/Args.cpp.o
error: error: Connection to server timed out
Connection to server timed out
make[2]: *** [lib/Core/CMakeFiles/lldCore.dir/DefinedAtom.cpp.o] Error 2
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [lib/Core/CMakeFiles/lldCore.dir/Error.cpp.o] Error 2
make[1]: *** [lib/Core/CMakeFiles/lldCore.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[  9%] Building CXX object Common/CMakeFiles/lldCommon.dir/ErrorHandler.cpp.o
error: Connection to server timed out
error: Connection to server timed out
make[2]: *** [Common/CMakeFiles/lldCommon.dir/Args.cpp.o] Error 2
make[2]: *** Waiting for unfinished jobs....
clang-12: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
clang-12: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
make[1]: *** [Common/CMakeFiles/lldCommon.dir/all] Error 2
make: *** [all] Error 2
command did not execute successfully, got: exit status: 2


build script failed, must exit now', /Users/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.44/src/lib.rs:885:5
 finished in 59.477 seconds
Build completed unsuccessfully in 0:52:20

[bors]

💔 Test failed - checks-actions

[nikic]

@bors retry The sccache connection has been lost while building lld on dist-x86_64-apple.

[bors]

⌛ Testing commit abb1e64 with merge a840dc54d4c917e58a34517d3728a546f4e1e31c...

[rust-log-analyzer]

A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

[bors]

💔 Test failed - checks-actions

[nikic]

@bors retry "post checkout the source code" failed on test-various. Assuming that's still spurious...

[bors]

⌛ Testing commit abb1e64 with merge aa06edb...

[bors]

☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing aa06edb to master...