fix compile-fail and parse-fail tests by blindly opting back into

parser recovery (so that expected errors match up)

I'm opting into parser recovery in all these cases out of expediency,
not because the error messages you get with recovery enabled are
actually all that usable in all cases listed.

Author: pnkfelix

src/test/compile-fail/issue-12560-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 // For style and consistency reasons, non-parametrized enum variants must
 // be used simply as `ident` instead of `ident ()`.
 // This test-case covers enum matching.

src/test/compile-fail/issue-28433.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 enum bird {
     pub duck,
     //~^ ERROR: expected identifier, found keyword `pub`

src/test/compile-fail/issue-30715.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 macro_rules! parallel {
     (
         // If future has `pred`/`moelarry` fragments (where "pred" is

src/test/compile-fail/macro-incomplete-parse.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 macro_rules! ignored_item {
     () => {
         fn foo() {}

src/test/compile-fail/parse-error-correct.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 // Test that the parser is error correcting missing idents. Despite a parsing
 // error (or two), we still run type checking (and don't get extra errors there).
 

src/test/compile-fail/parser-recovery-1.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 // Test that we can recover from missing braces in the parser.
 
 trait Foo {

src/test/compile-fail/parser-recovery-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 // Test that we can recover from mismatched braces in the parser.
 
 trait Foo {

src/test/compile-fail/self_type_keyword.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -Z continue-parse-after-error
+
 struct Self;
 //~^ ERROR expected identifier, found keyword `Self`
 

src/test/parse-fail/ascii-only-character-escape.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z parse-only
+// compile-flags: -Z parse-only -Z continue-parse-after-error
 
 fn main() {
     let x = "\x80"; //~ ERROR may only be used

src/test/parse-fail/bad-char-literals.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z parse-only
+// compile-flags: -Z parse-only -Z continue-parse-after-error
 
 // ignore-tidy-cr
 // ignore-tidy-tab