Merge pull request #82893 from ian-twilightcoder/split-cmdline_Isystem

[utils] Add -Isystem to split-cmdline

Author: ian-twilightcoder

utils/dev-scripts/split-cmdline

@@ -129,6 +129,7 @@ def main():
                 "-Fsystem",
                 "-G",
                 "-I",
+                "-Isystem",
                 "-L",
                 "-MF",
                 "-MJ",
@@ -254,6 +255,7 @@ def main():
                 "-libc",
                 "-load-plugin-executable",
                 "-load-plugin-library",
+                "-load-resolved-plugin",
                 "-locale",
                 "-localization-path",
                 "-lto-library",