llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-armv8-quick` running 
on `arm-bbot-clang-armv8-quick` while building `clang` at step 5 "ninja check 
1".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/154/builds/36795

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'Clang :: 
CodeGenCXX/copy-constructor-synthesis-2.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/buildbot/clang-armv8-quick/stage1/bin/clang -cc1 -internal-isystem 
/buildbot/clang-armv8-quick/stage1/lib/clang/24/include -nostdsysteminc -triple 
armv8l-unknown-linux-gnueabihf -std=c++11 -emit-llvm -o - 
/buildbot/clang-armv8-quick/llvm/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
 | /buildbot/clang-armv8-quick/stage1/bin/FileCheck 
/buildbot/clang-armv8-quick/llvm/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
# executed command: /buildbot/clang-armv8-quick/stage1/bin/clang -cc1 
-internal-isystem /buildbot/clang-armv8-quick/stage1/lib/clang/24/include 
-nostdsysteminc -triple armv8l-unknown-linux-gnueabihf -std=c++11 -emit-llvm -o 
- 
/buildbot/clang-armv8-quick/llvm/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
# executed command: /buildbot/clang-armv8-quick/stage1/bin/FileCheck 
/buildbot/clang-armv8-quick/llvm/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
# .---command stderr------------
# | 
/buildbot/clang-armv8-quick/llvm/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp:27:11:
 error: CHECK: expected string not found in input
# | // CHECK: store ptr getelementptr inbounds inrange(-{{[0-9]+}}, {{[0-9]+}}) 
(i8, ptr @_ZTV1A, i64 16)
# |           ^
# | <stdin>:64:173: note: scanning from here
# | define linkonce_odr noundef ptr @_ZN1AC1ERKS_(ptr noundef nonnull returned 
align 4 dereferenceable(4) %this, ptr noundef nonnull align 4 
dereferenceable(4) %0) unnamed_addr #2 comdat align 2 {
# |                                                                             
                                                                                
                ^
# | <stdin>:84:2: note: possible intended match here
# |  store ptr getelementptr inbounds inrange(-8, 4) (i8, ptr @_ZTV1A, i32 8), 
ptr %this1, align 4
# |  ^
# | 
# | Input file: <stdin>
# | Check file: 
/buildbot/clang-armv8-quick/llvm/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             .
# |             .
# |             .
# |            59:  %call = call noundef ptr @_ZN1AC1ERKS_(ptr noundef nonnull 
align 4 dereferenceable(4) %agg.result, ptr noundef nonnull align 4 
dereferenceable(4) %0) #3 
# |            60:  ret void 
# |            61: } 
# |            62:  
# |            63: ; Function Attrs: mustprogress noinline nounwind optnone 
# |            64: define linkonce_odr noundef ptr @_ZN1AC1ERKS_(ptr noundef 
nonnull returned align 4 dereferenceable(4) %this, ptr noundef nonnull align 4 
dereferenceable(4) %0) unnamed_addr #2 comdat align 2 { 
# | check:27'0                                                                  
                                                                                
                              {                       search range start 
(exclusive)
# | check:27'1                                                                  
                                                                                
                                                      error: no match found in 
search range
# |            65: entry: 
# |            66:  %this.addr = alloca ptr, align 4 
# |            67:  %.addr = alloca ptr, align 4 
# |            68:  store ptr %this, ptr %this.addr, align 4 
# |            69:  store ptr %0, ptr %.addr, align 4 
# |             .
# |             .
# |             .
# |            79:  %this.addr = alloca ptr, align 4 
# |            80:  %.addr = alloca ptr, align 4 
# |            81:  store ptr %this, ptr %this.addr, align 4 
# |            82:  store ptr %0, ptr %.addr, align 4 
...

```

</details>

https://github.com/llvm/llvm-project/pull/225415
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