llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-win` 
running on `sie-win-worker` while building `clang` at step 7 
"test-build-unified-tree-check-all".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/46/builds/7928

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

```
Step 7 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Clang :: 
Analysis/symbol-simplification-fixpoint-two-iterations.cpp' FAILED 
********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
z:\b\llvm-clang-x86_64-sie-win\build\bin\clang.exe -cc1 -internal-isystem 
Z:\b\llvm-clang-x86_64-sie-win\build\lib\clang\20\include -nostdsysteminc 
-analyze -analyzer-constraints=range -setup-static-analyzer 
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\Analysis\symbol-simplification-fixpoint-two-iterations.cpp
    -analyzer-checker=core    -analyzer-checker=debug.ExprInspection    2>&1 | 
z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe 
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\Analysis\symbol-simplification-fixpoint-two-iterations.cpp
# executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\clang.exe' -cc1 
-internal-isystem 'Z:\b\llvm-clang-x86_64-sie-win\build\lib\clang\20\include' 
-nostdsysteminc -analyze -analyzer-constraints=range -setup-static-analyzer 
'Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\Analysis\symbol-simplification-fixpoint-two-iterations.cpp'
 -analyzer-checker=core -analyzer-checker=debug.ExprInspection
# executed command: 'z:\b\llvm-clang-x86_64-sie-win\build\bin\filecheck.exe' 
'Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\Analysis\symbol-simplification-fixpoint-two-iterations.cpp'
# .---command stderr------------
# | 
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\Analysis\symbol-simplification-fixpoint-two-iterations.cpp:31:17:
 error: CHECK-NEXT: expected string not found in input
# |  // CHECK-NEXT: { "symbol": "((reg_$0<int a>) + (reg_$2<int 
c>)) != (reg_$3<int d>)", "range": "{ [0, 0] }" },
# |                 ^
# | <stdin>:26:18: note: scanning 
from here
# |  "constraints": [
# |                  ^
# | <stdin>:27:2: note: possible 
intended match here
# |  { "symbol": "(reg_$0<int a>) != (reg_$3<int d>)", "range": "{ 
[0, 0] }" },
# |  ^
# | 
# | Input file: <stdin>
# | Check file: 
Z:\b\llvm-clang-x86_64-sie-win\llvm-project\clang\test\Analysis\symbol-simplification-fixpoint-two-iterations.cpp
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |            1: "program_state": { 
# |            2:  "store": null, 
# |            3:  "environment": { "pointer": 
"0x18a8bcdd400", "items": [ 
# |            4:  { "lctx_id": 1, 
"location_context": "#0 Call", "calling": "test", "location": null, "items": [ 

# |            5:  { "stmt_id": 809, "kind": 
"ImplicitCastExpr", "pretty": "clang_analyzer_printState", "value": 
"&code{clang_analyzer_printState}" } 
# |            6:  ]} 
# |            7:  ]}, 
# |            8:  "constraints": [ 
# | check:17       ^~~~~~~~~~~~~~~~
# |            9:  { "symbol": 
"(((reg_$0<int a>) + (reg_$1<int b>)) + (reg_$2<int c>)) != (reg_$3<int d>)", 
"range": "{ [0, 0] }" }, 
# | next:18        
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           10:  { "symbol": 
"(reg_$2<int c>) + (reg_$1<int b>)", "range": "{ [0, 0] }" } 
# | next:19        
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           11:  ], 

# | next:20        ^~
# |           12:  
"equivalence_classes": [ 
# | next:21        ^~~~~~~~~~~~~~~~~~~~~~~~
# |           13:  [ 
"((reg_$0<int a>) + (reg_$1<int b>)) + (reg_$2<int c>)", "reg_$3<int d>" 
] 
# | next:22        
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           14:  ], 

# | next:23        ^~
# |           15:  
"disequality_info": null, 
# | next:24        ^~~~~~~~~~~~~~~~~~~~~~~~~
...

```

</details>

https://github.com/llvm/llvm-project/pull/115579
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