Use object crate from crates.io to fix windows build error

Author: Diggsey

compiler/rustc_codegen_gcc/Cargo.lock

@@ -143,6 +143,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "object"
+version = "0.37.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03fd943161069e1768b4b3d050890ba48730e590f57e56d4aa04e7e090e61b4a"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.20.2"
@@ -179,6 +188,7 @@ dependencies = [
  "boml",
  "gccjit",
  "lang_tester",
+ "object",
  "tempfile",
 ]
 

compiler/rustc_codegen_gcc/Cargo.toml

@@ -22,6 +22,7 @@ master = ["gccjit/master"]
 default = ["master"]
 
 [dependencies]
+object = { version = "0.37.0", default-features = false, features = ["std", "read"] }
 gccjit = "2.7"
 #gccjit = { git = "https://github.com/rust-lang/gccjit.rs" }
 

compiler/rustc_codegen_gcc/src/lib.rs

@@ -27,7 +27,6 @@
 #![allow(clippy::needless_lifetimes, clippy::uninlined_format_args)]
 
 // Some "regular" crates we want to share with rustc
-extern crate object;
 extern crate smallvec;
 // FIXME(antoyo): clippy bug: remove the #[allow] when it's fixed.
 #[allow(unused_extern_crates)]