[llvm] [CodeLayout] Do not rebuild chains with -apply-ext-tsp-for-size (PR #115934)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-x86_64-debian-dylib` running on `gribozavr4` while building `llvm` at step 7 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/60/builds/13007

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

```
Step 7 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM :: ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
RUN: at line 1: /b/1/llvm-x86_64-debian-dylib/build/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll | /b/1/llvm-x86_64-debian-dylib/build/bin/FileCheck /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
+ /b/1/llvm-x86_64-debian-dylib/build/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
+ /b/1/llvm-x86_64-debian-dylib/build/bin/FileCheck /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /b/1/llvm-x86_64-debian-dylib/build/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
 #0 0x00007fd4a29a8b07 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/b/1/llvm-x86_64-debian-dylib/build/lib/libLLVM.so.20.0git+0xf3ab07)
 #1 0x00007fd4a29a65be llvm::sys::RunSignalHandlers() (/b/1/llvm-x86_64-debian-dylib/build/lib/libLLVM.so.20.0git+0xf385be)
 #2 0x00007fd4a29a91df SignalHandler(int) Signals.cpp:0:0
 #3 0x00007fd4a1a58140 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x13140)
 #4 0x00007fd4a5058a69 llvm::orc::JITDylib::clear() (/b/1/llvm-x86_64-debian-dylib/build/lib/libLLVM.so.20.0git+0x35eaa69)
 #5 0x00007fd4a5066c57 llvm::orc::ExecutionSession::removeJITDylibs(std::vector<llvm::IntrusiveRefCntPtr<llvm::orc::JITDylib>, std::allocator<llvm::IntrusiveRefCntPtr<llvm::orc::JITDylib>>>) (/b/1/llvm-x86_64-debian-dylib/build/lib/libLLVM.so.20.0git+0x35f8c57)
 #6 0x00007fd4a50667d2 llvm::orc::ExecutionSession::endSession() (/b/1/llvm-x86_64-debian-dylib/build/lib/libLLVM.so.20.0git+0x35f87d2)
 #7 0x00007fd4a50ea326 llvm::orc::LLJIT::~LLJIT() (/b/1/llvm-x86_64-debian-dylib/build/lib/libLLVM.so.20.0git+0x367c326)
 #8 0x00007fd4a50ef531 llvm::orc::LLLazyJIT::~LLLazyJIT() crtstuff.c:0:0
 #9 0x0000000000415626 runOrcJIT(char const*) (/b/1/llvm-x86_64-debian-dylib/build/bin/lli+0x415626)
#10 0x000000000040fe49 main (/b/1/llvm-x86_64-debian-dylib/build/bin/lli+0x40fe49)
#11 0x00007fd4a1569d7a __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x23d7a)
#12 0x000000000040e9aa _start (/b/1/llvm-x86_64-debian-dylib/build/bin/lli+0x40e9aa)
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /b/1/llvm-x86_64-debian-dylib/build/bin/FileCheck /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/115934