[libcxx-commits] [libcxxabi] [libcxxabi] Use __LDBL_MANT_DIG__ for configuring demangling of long doubles (PR #134976)

[Thurston Dang via libcxx-commits]

Martin =?utf-8?q?Storsjö?= <martin at martin.st>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/134976 at github.com>


thurstond wrote:

This is failing on the ppc64le-linux buildbot (https://lab.llvm.org/buildbot/#/builders/72/builds/10061):

```
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/libcxxabi/src/cxa_demangle.cpp:17:
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/libcxxabi/src/demangle/ItaniumDemangle.h:5753:2: error: Unknown size for __LDBL_MANT_DIG__
 5753 | #error Unknown size for __LDBL_MANT_DIG__
...
```



https://github.com/llvm/llvm-project/pull/134976