[llvm-dev] [9.0.0 Release] Release Candidate 1 is here

[Jonas Hahnfeld via llvm-dev]

On 2019-07-29 16:32, Hans Wennborg via llvm-dev wrote:
> Hi everyone,
> 
> 9.0.0-rc1 was just tagged from the release_90 branch at r367217
> (tagged as llvmorg-9.0.0-rc1 in the Git monorepo).
> 
> Source code and docs are available at 
> https://prereleases.llvm.org/9.0.0/#rc1

Looks good with our internal build script and all tests pass (we don't 
compare Stage 3 though).

One note: I wasn't able to compile with GCC 4.8.5 (CentOS 7 default), 
even with "-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON". This is because 
libcxxabi uses "__builtin_add_overflow" which was introduced with GCC 5. 
So I guess this is fine, given that 
"-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON" already prints a noticeable 
warning and LLVM will switch to C++14 soon which requires GCC 5.1 or 
later. I was able to build using GCC 6 without problems.

Regards,
Jonas