[llvm-branch-commits] [clang] [llvm] release/20.x: [RISCV] Allow `Zicsr`/`Zifencei` to duplicate with `g` (#136842) (PR #137490)

[Pengcheng Wang via llvm-branch-commits]

wangpc-pp wrote:

> This has some failing tests.

The failure is not related to this PR I think, it is about `compiler-rt/XRay`:
```
/var/lib/buildkite-agent/builds/linux-56-59b8f5d88-6vh59-1/llvm-project/github-pull-requests/compiler-rt/test/xray/TestCases/Posix/basic-filtering.cpp:57:15: error: TRACE-NOT: excluded string found in input
// TRACE-NOT: - { type: 0, func-id: {{.*}}, function: {{.*filtered.*}}, {{.*}} }
              ^
<stdin>:10:2: note: found here
 - { type: 0, func-id: 1, function: 'filtered()', cpu: 0, thread: 2646461, process: 2646461, kind: function-enter, tsc: 1745726047361388709, data: '' }
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Input file: <stdin>
Check file: /var/lib/buildkite-agent/builds/linux-56-59b8f5d88-6vh59-1/llvm-project/github-pull-requests/compiler-rt/test/xray/TestCases/Posix/basic-filtering.cpp

-dump-input=help explains the following input dump.

Input was:
<<<<<<
        .
        .
        .
        5:  constant-tsc: true 
        6:  nonstop-tsc: true 
        7:  cycle-frequency: 1000000000 
        8: records: 
        9:  - { type: 0, func-id: 4, function: main, cpu: 0, thread: 2646461, process: 2646461, kind: function-enter, tsc: 1745726047361383559, data: '' } 
       10:  - { type: 0, func-id: 1, function: 'filtered()', cpu: 0, thread: 2646461, process: 2646461, kind: function-enter, tsc: 1745726047361388709, data: '' } 
not:57      !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  error: no match expected
       11:  - { type: 0, func-id: 1, function: 'filtered()', cpu: 0, thread: 2646461, process: 2646461, kind: function-exit, tsc: 1745726047363841187, data: '' } 
       12:  - { type: 0, func-id: 3, function: 'always_shows()', cpu: 0, thread: 2646461, process: 2646461, kind: function-enter, tsc: 1745726047363842317, data: '' } 
       13:  - { type: 0, func-id: 3, function: 'always_shows()', cpu: 0, thread: 2646461, process: 2646461, kind: function-exit, tsc: 1745726047365914946, data: '' } 
       14:  - { type: 0, func-id: 4, function: main, cpu: 0, thread: 2646461, process: 2646461, kind: function-exit, tsc: 1745726047365916026, data: '' } 
       15: ... 
>>>>>>
```

https://github.com/llvm/llvm-project/pull/137490