rustdoc-json: Rearrange deck chairs in ABI testing

We move the vectorcall ABI tests into their own file which is now
only run on x86-64, while replacing them with rust-cold ABI tests
so that aarch64 hosts continue to test an unstable ABI.

A better solution might be cross-compiling or something but
I really don't have time for that right now.

tests/rustdoc-json/fn_pointer/abi.rs

@@ -1,4 +1,4 @@
-#![feature(abi_vectorcall)]
+#![feature(rust_cold_cc)]
 
 //@ is "$.index[?(@.name=='AbiRust')].inner.type_alias.type.function_pointer.header.abi" \"Rust\"
 pub type AbiRust = fn();
@@ -15,8 +15,5 @@ pub type AbiCUnwind = extern "C-unwind" fn();
 //@ is "$.index[?(@.name=='AbiSystemUnwind')].inner.type_alias.type.function_pointer.header.abi" '{"System": {"unwind": true}}'
 pub type AbiSystemUnwind = extern "system-unwind" fn();
 
-//@ is "$.index[?(@.name=='AbiVecorcall')].inner.type_alias.type.function_pointer.header.abi.Other" '"\"vectorcall\""'
+//@ is "$.index[?(@.name=='AbiRustCold')].inner.type_alias.type.function_pointer.header.abi.Other" '"\"rust-cold\""'
-pub type AbiVecorcall = extern "vectorcall" fn();
+pub type AbiRustCold = extern "rust-cold" fn();
-
-//@ is "$.index[?(@.name=='AbiVecorcallUnwind')].inner.type_alias.type.function_pointer.header.abi.Other" '"\"vectorcall-unwind\""'
-pub type AbiVecorcallUnwind = extern "vectorcall-unwind" fn();

tests/rustdoc-json/fns/abi.rs

@@ -1,4 +1,4 @@
-#![feature(abi_vectorcall)]
+#![feature(rust_cold_cc)]
 
 //@ is "$.index[?(@.name=='abi_rust')].inner.function.header.abi" \"Rust\"
 pub fn abi_rust() {}
@@ -15,8 +15,5 @@ pub extern "C-unwind" fn abi_c_unwind() {}
 //@ is "$.index[?(@.name=='abi_system_unwind')].inner.function.header.abi" '{"System": {"unwind": true}}'
 pub extern "system-unwind" fn abi_system_unwind() {}
 
-//@ is "$.index[?(@.name=='abi_vectorcall')].inner.function.header.abi.Other" '"\"vectorcall\""'
+//@ is "$.index[?(@.name=='abi_rust_cold')].inner.function.header.abi.Other" '"\"rust-cold\""'
-pub extern "vectorcall" fn abi_vectorcall() {}
+pub extern "rust-cold" fn abi_rust_cold() {}
-
-//@ is "$.index[?(@.name=='abi_vectorcall_unwind')].inner.function.header.abi.Other" '"\"vectorcall-unwind\""'
-pub extern "vectorcall-unwind" fn abi_vectorcall_unwind() {}

tests/rustdoc-json/methods/abi.rs

@@ -1,5 +1,4 @@
-#![feature(abi_vectorcall)]
+#![feature(rust_cold_cc)]
-
 //@ has "$.index[?(@.name=='Foo')]"
 pub struct Foo;
 
@@ -19,11 +18,8 @@ impl Foo {
     //@ is "$.index[?(@.name=='abi_system_unwind')].inner.function.header.abi" '{"System": {"unwind": true}}'
     pub extern "system-unwind" fn abi_system_unwind() {}
 
-    //@ is "$.index[?(@.name=='abi_vectorcall')].inner.function.header.abi.Other" '"\"vectorcall\""'
+    //@ is "$.index[?(@.name=='abi_rust_cold')].inner.function.header.abi.Other" '"\"rust-cold\""'
-    pub extern "vectorcall" fn abi_vectorcall() {}
+    pub extern "rust-cold" fn abi_rust_cold() {}
-
-    //@ is "$.index[?(@.name=='abi_vectorcall_unwind')].inner.function.header.abi.Other" '"\"vectorcall-unwind\""'
-    pub extern "vectorcall-unwind" fn abi_vectorcall_unwind() {}
 }
 
 pub trait Bar {
@@ -42,9 +38,6 @@ pub trait Bar {
     //@ is "$.index[?(@.name=='trait_abi_system_unwind')].inner.function.header.abi" '{"System": {"unwind": true}}'
     extern "system-unwind" fn trait_abi_system_unwind() {}
 
-    //@ is "$.index[?(@.name=='trait_abi_vectorcall')].inner.function.header.abi.Other" '"\"vectorcall\""'
+    //@ is "$.index[?(@.name=='trait_abi_rust_cold')].inner.function.header.abi.Other" '"\"rust-cold\""'
-    extern "vectorcall" fn trait_abi_vectorcall() {}
+    extern "rust-cold" fn trait_abi_rust_cold() {}
-
-    //@ is "$.index[?(@.name=='trait_abi_vectorcall_unwind')].inner.function.header.abi.Other" '"\"vectorcall-unwind\""'
-    extern "vectorcall-unwind" fn trait_abi_vectorcall_unwind() {}
 }

tests/rustdoc-json/vectorcall.rs

@@ -0,0 +1,27 @@
+#![feature(abi_vectorcall)]
+//@ only-x86_64
+
+//@ is "$.index[?(@.name=='AbiVectorcall')].inner.type_alias.type.function_pointer.header.abi.Other" '"\"vectorcall\""'
+pub type AbiVectorcall = extern "vectorcall" fn();
+
+//@ is "$.index[?(@.name=='AbiVectorcallUnwind')].inner.type_alias.type.function_pointer.header.abi.Other" '"\"vectorcall-unwind\""'
+pub type AbiVectorcallUnwind = extern "vectorcall-unwind" fn();
+
+//@ has "$.index[?(@.name=='Foo')]"
+pub struct Foo;
+
+impl Foo {
+    //@ is "$.index[?(@.name=='abi_vectorcall')].inner.function.header.abi.Other" '"\"vectorcall\""'
+    pub extern "vectorcall" fn abi_vectorcall() {}
+
+    //@ is "$.index[?(@.name=='abi_vectorcall_unwind')].inner.function.header.abi.Other" '"\"vectorcall-unwind\""'
+    pub extern "vectorcall-unwind" fn abi_vectorcall_unwind() {}
+}
+
+pub trait Bar {
+    //@ is "$.index[?(@.name=='trait_abi_vectorcall')].inner.function.header.abi.Other" '"\"vectorcall\""'
+    extern "vectorcall" fn trait_abi_vectorcall() {}
+
+    //@ is "$.index[?(@.name=='trait_abi_vectorcall_unwind')].inner.function.header.abi.Other" '"\"vectorcall-unwind\""'
+    extern "vectorcall-unwind" fn trait_abi_vectorcall_unwind() {}
+}