difftest: fixup windows dependency resolution, from PR #334

Author: Firestar99

Cargo.toml

@@ -50,14 +50,18 @@ spirv-tools = { version = "0.12", default-features = false }
 rustc_codegen_spirv = { path = "./crates/rustc_codegen_spirv", version = "=0.9.0", default-features = false }
 rustc_codegen_spirv-types = { path = "./crates/rustc_codegen_spirv-types", version = "=0.9.0" }
 rustc_codegen_spirv-target-specs = { path = "crates/rustc_codegen_spirv-target-specs", version = "=0.9.0" }
-tracing = "0.1"
-tracing-subscriber = { version = "0.3.3", features = ["env-filter", "json"] }
+
+# difftest libraries mirrored from difftest workspace
+difftest = { path = "tests/difftests/lib" }
 
 # External dependencies that need to be mentioned more than once.
+tracing = "0.1"
+tracing-subscriber = { version = "0.3.3", features = ["env-filter", "json"] }
 num-traits = { version = "0.2.15", default-features = false }
 glam = { version = ">=0.22, <=0.30", default-features = false }
 # libm 0.2.12 is a breaking change with new intrinsics
 libm = { version = ">=0.2.5, <=0.2.11", default-features = false }
+bytemuck = { version = "1.23", features = ["derive"] }
 
 # Enable incremental by default in release mode.
 [profile.release]