Temporary downgrade compiler_builtins library. From version 0.1.110 the no-f16-f128 feautes introduced incompatibility

Author: Robert Zakrzewski

build_system/build_sysroot/Cargo.toml

@@ -6,7 +6,8 @@ resolver = "2"
 
 [dependencies]
 core = { path = "./sysroot_src/library/core" }
-compiler_builtins = "0.1"
+# compiler_builtins = "0.1"
+compiler_builtins = "=0.1.109"
 alloc = { path = "./sysroot_src/library/alloc" }
 std = { path = "./sysroot_src/library/std", features = ["panic_unwind", "backtrace"] }
 test = { path = "./sysroot_src/library/test" }