Revert clang update, got too many weird issues.

We'll retry upgrading when clang v16 is made available.

Revert "Forgot to replace one line v14 -> 15"

This reverts commit 9d768420f6.

Revert "Bump clang from v14 to v15."

This reverts commit a9e15599dd.

Dockerfile-ubuntu2204

@@ -14,8 +14,8 @@ RUN apt-get update && \
     apt-get -y install vim gdb strace patch && \
     \
     apt update -y && \
-    apt-get install -y clang-15 clang-tidy-15 libclang-15-dev clangd-15 lldb-15 lld-15 clangd-15 && \
-    apt-get install -y libc++-15-dev libc++-15-dev clang-format-15 clang-tidy-15 && \
+    apt-get install -y clang-14 clang-tidy-14 libclang-14-dev clangd-14 lldb-14 lld-14 clangd-14 && \
+    apt-get install -y libc++-14-dev libc++-14-dev clang-format-14 && \
     \
     rm -rf /var/lib/apt/lists/*
 
@@ -46,7 +46,7 @@ RUN sudo apt-get update && \
 RUN /emsdk/upstream/emscripten/em++ -s WASM=1 -s USE_SDL=2 -s USE_SDL_TTF=2 -O3 /dev/null || true
 
 # Fix some weird linker issue CAF build runs into. (fails to link -lc++abi)
-RUN cp -prv /usr/lib/llvm-15/lib/libc++abi.so.1.0 /usr/lib/llvm-15/lib/libc++abi.so
+RUN cp -prv /usr/lib/llvm-14/lib/libc++abi.so.1.0 /usr/lib/llvm-14/lib/libc++abi.so
 
 # EDIT: no longer needed!
 # RUN cp -prv /usr/lib/llvm-14/lib/libunwind.so.1.0 /usr/lib/llvm-14/lib/libunwind.so

switch-to-latest-clang

@@ -3,10 +3,10 @@
 set +e
 set -o pipefail
 
-update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-15 40 > /tmp/.switch-to-clang.stdout
-update-alternatives --install /usr/bin/cc cc /usr/bin/clang-15 40 >>  /tmp/.switch-to-clang.stdout
-update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-15 40 >>  /tmp/.switch-to-clang.stdout
-update-alternatives --install /usr/bin/clang clang /usr/bin/clang-15 40 >>  /tmp/.switch-to-clang.stdout
-update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-15 40 >>  /tmp/.switch-to-clang.stdout
+update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-14 40 > /tmp/.switch-to-clang.stdout
+update-alternatives --install /usr/bin/cc cc /usr/bin/clang-14 40 >>  /tmp/.switch-to-clang.stdout
+update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-14 40 >>  /tmp/.switch-to-clang.stdout
+update-alternatives --install /usr/bin/clang clang /usr/bin/clang-14 40 >>  /tmp/.switch-to-clang.stdout
+update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-14 40 >>  /tmp/.switch-to-clang.stdout
 
 echo compiler set to: $(readlink /etc/alternatives/c++)