Update LLVM to 20.1.1 (#508)

The LLVM 20 release is now official.

Author: alexcrichton

cmake/wasi-sdk-sysroot.cmake

@@ -74,8 +74,15 @@ ExternalProject_Add(compiler-rt-build
       -DCOMPILER_RT_BUILD_XRAY=OFF
       -DCOMPILER_RT_INCLUDE_TESTS=OFF
       -DCOMPILER_RT_HAS_FPIC_FLAG=OFF
-      -DCOMPILER_RT_ENABLE_IOS=OFF
       -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
+      -DCOMPILER_RT_BUILD_SANITIZERS=OFF
+      -DCOMPILER_RT_BUILD_XRAY=OFF
+      -DCOMPILER_RT_BUILD_LIBFUZZER=OFF
+      -DCOMPILER_RT_BUILD_PROFILE=OFF
+      -DCOMPILER_RT_BUILD_CTX_PROFILE=OFF
+      -DCOMPILER_RT_BUILD_MEMPROF=OFF
+      -DCOMPILER_RT_BUILD_ORC=OFF
+      -DCOMPILER_RT_BUILD_GWP_ASAN=OFF
       -DCMAKE_C_COMPILER_TARGET=wasm32-wasi
       -DCOMPILER_RT_OS_DIR=wasi
       -DCMAKE_INSTALL_PREFIX=${wasi_resource_dir}

cmake/wasi-sdk-toolchain.cmake

@@ -78,7 +78,6 @@ ExternalProject_Add(llvm-build
   SOURCE_DIR "${llvm_proj_dir}/llvm"
   CMAKE_ARGS
     ${default_cmake_args}
-    -DLLVM_ENABLE_TERMINFO=OFF
     -DLLVM_ENABLE_ZLIB=OFF
     -DLLVM_ENABLE_ZSTD=OFF
     -DLLVM_STATIC_LINK_CXX_STDLIB=ON