pgsql: LLVMJIT: LLVMGetHostCPUFeatures now is upstream,use LLMV versio

LLVMJIT: LLVMGetHostCPUFeatures now is upstream, use LLMV version if available.

Noticed thanks to buildfarm animal seawasp.

Author: Andres Freund
Backpatch: v11-, where LLVM based JIT compliation was introduced.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/cb92520563834577d3afbbedcc0df4ee0aac3445

Modified Files
--------------
config/llvm.m4                        |  2 +-
configure                             | 11 +++++++++++
src/backend/jit/llvm/llvmjit_wrap.cpp |  2 ++
src/include/jit/llvmjit.h             |  2 ++
src/include/pg_config.h.in            |  4 ++++
src/include/pg_config.h.win32         |  4 ++++
6 files changed, 24 insertions(+), 1 deletion(-)