add run-rustfix test for machine-applicable suggestion

tests/ui/asm/unsupported-option.fixed

@@ -0,0 +1,10 @@
+//@ run-rustfix
+
+use std::arch::global_asm;
+
+fn main() {}
+
+global_asm!("", options(att_syntax,    raw));
+//~^ ERROR the `nomem` option cannot be used with `global_asm!`
+//~| ERROR the `readonly` option cannot be used with `global_asm!`
+//~| ERROR the `noreturn` option cannot be used with `global_asm!`

tests/ui/asm/unsupported-option.rs

@@ -0,0 +1,10 @@
+//@ run-rustfix
+
+use std::arch::global_asm;
+
+fn main() {}
+
+global_asm!("", options(att_syntax, nomem, readonly, noreturn, raw));
+//~^ ERROR the `nomem` option cannot be used with `global_asm!`
+//~| ERROR the `readonly` option cannot be used with `global_asm!`
+//~| ERROR the `noreturn` option cannot be used with `global_asm!`

tests/ui/asm/unsupported-option.stderr

@@ -0,0 +1,20 @@
+error: the `nomem` option cannot be used with `global_asm!`
+  --> $DIR/unsupported-option.rs:7:37
+   |
+LL | global_asm!("", options(att_syntax, nomem, readonly, noreturn, raw));
+   |                                     ^^^^^ the `nomem` option is not meaningful for global-scoped inline assembly
+
+error: the `readonly` option cannot be used with `global_asm!`
+  --> $DIR/unsupported-option.rs:7:44
+   |
+LL | global_asm!("", options(att_syntax, nomem, readonly, noreturn, raw));
+   |                                            ^^^^^^^^ the `readonly` option is not meaningful for global-scoped inline assembly
+
+error: the `noreturn` option cannot be used with `global_asm!`
+  --> $DIR/unsupported-option.rs:7:54
+   |
+LL | global_asm!("", options(att_syntax, nomem, readonly, noreturn, raw));
+   |                                                      ^^^^^^^^ the `noreturn` option is not meaningful for global-scoped inline assembly
+
+error: aborting due to 3 previous errors
+