remove unreachable code

mesonbuild/environment.py

@@ -763,7 +763,6 @@ class Environment:
                 target = 'x86' if 'IA-32' in err else 'x86_64'
                 cls = IntelClCCompiler if lang == 'c' else IntelClCPPCompiler
                 return cls(compiler, version, for_machine, is_cross, exe_wrap, target)
-                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)
             if 'Microsoft' in out or 'Microsoft' in err:
                 # Latest versions of Visual Studio print version
                 # number to stderr but earlier ones print version

mesonbuild/scripts/depfixer.py

@@ -413,9 +413,8 @@ def fix_darwin(fname, new_rpath, final_path, install_name_mappings):
             subprocess.check_call(['install_name_tool', fname] + args,
                                   stdout=subprocess.DEVNULL,
                                   stderr=subprocess.DEVNULL)
-    except Exception:
-        raise
-        sys.exit(0)
+    except Exception as err:
+        raise SystemExit(err)
 
 def fix_jar(fname):
     subprocess.check_call(['jar', 'xfv', fname, 'META-INF/MANIFEST.MF'])