tests: Change "fastcall" to "system" in some tests

Lets the test still work on different architectures.

Author: workingjubilee

tests/debuginfo/type-names.rs

@@ -19,7 +19,7 @@
 // gdb-check:type = type_names::GenericStruct<type_names::mod1::Struct2, type_names::mod1::mod2::Struct3>
 
 // gdb-command:whatis generic_struct2
-// gdb-check:type = type_names::GenericStruct<type_names::Struct1, extern "fastcall" fn(isize) -> usize>
+// gdb-check:type = type_names::GenericStruct<type_names::Struct1, extern "system" fn(isize) -> usize>
 
 // gdb-command:whatis mod_struct
 // gdb-check:type = type_names::mod1::Struct2
@@ -379,7 +379,7 @@ fn main() {
  let simple_struct = Struct1;
  let generic_struct1: GenericStruct<mod1::Struct2, mod1::mod2::Struct3> =
  GenericStruct(PhantomData);
- let generic_struct2: GenericStruct<Struct1, extern "fastcall" fn(isize) -> usize> =
+ let generic_struct2: GenericStruct<Struct1, extern "system" fn(isize) -> usize> =
  GenericStruct(PhantomData);
  let mod_struct = mod1::Struct2;
 

tests/incremental/hashes/trait_defs.rs

@@ -440,7 +440,7 @@ trait TraitAddExternModifier {
 
 // Change extern "C" to extern "stdcall"
 #[cfg(any(cfail1,cfail4))]
-trait TraitChangeExternCToRustIntrinsic {
+trait TraitChangeExternCToExternSystem {
  // --------------------------------------------------------------
  // -------------------------
  // --------------------------------------------------------------
@@ -458,7 +458,7 @@ trait TraitChangeExternCToRustIntrinsic {
  #[rustc_clean(cfg="cfail3")]
  #[rustc_clean(except="opt_hir_owner_nodes,fn_sig", cfg="cfail5")]
  #[rustc_clean(cfg="cfail6")]
- extern "stdcall" fn method();
+ extern "system" fn method();
 }