Fix intrinsic copysignf128

Author: antoyo

build_system/src/test.rs

@@ -9,8 +9,8 @@ use crate::build;
 use crate::config::{Channel, ConfigInfo};
 use crate::utils::{
     create_dir, get_sysroot_dir, get_toolchain, git_clone, git_clone_root_dir, remove_file,
-    run_command, run_command_with_env, run_command_with_output, run_command_with_output_and_env,
-    rustc_version_info, split_args, walk_dir,
+    run_command, run_command_with_env, run_command_with_output_and_env, rustc_version_info,
+    split_args, walk_dir,
 };
 
 type Env = HashMap<String, String>;

src/intrinsic/mod.rs

@@ -78,7 +78,6 @@ fn get_simple_intrinsic<'gcc, 'tcx>(
         sym::maxnumf64 => "fmax",
         sym::copysignf32 => "copysignf",
         sym::copysignf64 => "copysign",
-        sym::copysignf128 => "copysignl",
         sym::floorf32 => "floorf",
         sym::floorf64 => "floor",
         sym::ceilf32 => "ceilf",
@@ -202,6 +201,7 @@ fn get_simple_function_f128_2args<'gcc, 'tcx>(
     let func_name = match name {
         sym::maxnumf128 => "fmaxf128",
         sym::minnumf128 => "fminf128",
+        sym::copysignf128 => "copysignf128",
         _ => return None,
     };
     Some(cx.context.new_function(