Revert "Update src/lib.rs"

This reverts commit a69d8bb.

Author: phoepsilonix

src/lib.rs

@@ -1800,13 +1800,7 @@ impl Build {
             cmd.args(self.asm_flags.iter().map(std::ops::Deref::deref));
         }
 
-        if compiler.supports_path_delimiter()
-            && !is_assembler_msvc
-            && matches!(
-                compiler.family,
-                ToolFamily::Clang { zig_cc: false } | ToolFamily::Msvc { clang_cl: true }
-            )
-        {
+        if compiler.supports_path_delimiter() && !is_assembler_msvc {
             // #513: For `clang-cl`, separate flags/options from the input file.
             // When cross-compiling macOS -> Windows, this avoids interpreting
             // common `/Users/...` paths as the `/U` flag and triggering