[clang] [Clang] [C++26] Expansion Statements (P1306R5) (PR #169680)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-armv7-global-isel` running on `linaro-clang-armv7-global-isel` while building `clang` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/39/builds/11531

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'Clang :: AST/ast-print-expansion-stmts.cpp' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
/home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/lib/clang/23/include -nostdsysteminc -std=c++26 -ast-print /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp | /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp
# executed command: /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/lib/clang/23/include -nostdsysteminc -std=c++26 -ast-print /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp
# .---command stderr------------
# | clang: /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/lib/AST/Expr.cpp:975: clang::IntegerLiteral::IntegerLiteral(const ASTContext &, const llvm::APInt &, QualType, SourceLocation): Assertion `V.getBitWidth() == C.getIntWidth(type) && "Integer type is not the correct size for constant."' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and dumped files.
# | Stack dump:
# | 0.	Program arguments: /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/lib/clang/23/include -nostdsysteminc -std=c++26 -ast-print /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp
# | 1.	/home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp:52:3: current parser token 'int'
# | 2.	/home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp:22:16: parsing function body 'test'
# | 3.	/home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp:22:16: in compound statement ('{}')
# | #0 0x04ac4408 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/clang+0x3dd4408)
# | #1 0x04ac0f08 llvm::sys::RunSignalHandlers() (/home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/clang+0x3dd0f08)
# | #2 0x04ac5518 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
# | #3 0x04ac5254 SignalHandlerTerminate(int, siginfo_t*, void*) Signals.cpp:0:0
# | #4 0xeff4d6f0 __default_rt_sa_restorer ./signal/../sysdeps/unix/sysv/linux/arm/sigrestorer.S:80:0
# | #5 0xeff3db06 ./csu/../sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:47:0
# | #6 0xeff7d292 __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
# | #7 0xeff4c840 gsignal ./signal/../sysdeps/posix/raise.c:27:6
# `-----------------------------
# error: command failed with exit status: -6
# executed command: /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /home/tcwg-buildbot/worker/clang-armv7-global-isel/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv7-global-isel/llvm/clang/test/AST/ast-print-expansion-stmts.cpp
# `-----------------------------
# error: command failed with exit status: 2

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/169680