pgsql: jit: Require at least LLVM 14, if enabled.

jit: Require at least LLVM 14, if enabled.

Remove support for LLVM versions 10-13. The default on all non-EOL'd
OSes represented in our build farm will be at least LLVM 14 when
PostgreSQL 18 ships.

Author: Thomas Munro <thomas.munro@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: /messages/by-id/CA+hUKGLhNs5geZaVNj2EJ79Dx9W8fyWUU3HxcpZy55sMGcY=iA@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/972c2cd2882b6dd7a2059d030d03e89dae47ede7

Modified Files
--------------
config/llvm.m4 | 4 +-
configure | 4 +-
doc/src/sgml/installation.sgml | 4 +-
meson.build | 2 +-
src/backend/jit/llvm/llvmjit.c | 101 --------------------------------
src/backend/jit/llvm/llvmjit_error.cpp | 25 --------
src/backend/jit/llvm/llvmjit_inline.cpp | 13 ----
src/backend/jit/llvm/llvmjit_wrap.cpp | 4 --
8 files changed, 7 insertions(+), 150 deletions(-)