Suggest an appropriate token when encountering pub Ident<'a>

src/test/ui/pub/pub-ident-fn-with-lifetime.rs

@@ -0,0 +1,6 @@
+pub   foo<'a>(_s: &'a usize) -> bool { true }
+//~^ ERROR missing `fn` for method definition
+
+fn main() {
+    foo(2);
+}

src/test/ui/pub/pub-ident-fn-with-lifetime.stderr

@@ -0,0 +1,12 @@
+error: missing `fn` for method definition
+  --> $DIR/pub-ident-fn-with-lifetime.rs:1:4
+   |
+LL | pub   foo<'a>(_s: &'a usize) -> bool { true }
+   |    ^^^
+help: add `fn` here to parse `foo` as a public method
+   |
+LL | pub fn foo<'a>(_s: &'a usize) -> bool { true }
+   |     ^^
+
+error: aborting due to previous error
+

src/test/ui/pub/pub-ident-struct-with-lifetime.rs

@@ -0,0 +1,4 @@
+pub S<'a> {
+//~^ ERROR missing `struct` for struct definition
+}
+fn main() {}

src/test/ui/pub/pub-ident-struct-with-lifetime.stderr

@@ -0,0 +1,12 @@
+error: missing `struct` for struct definition
+  --> $DIR/pub-ident-struct-with-lifetime.rs:1:4
+   |
+LL | pub S<'a> {
+   |    ^
+help: add `struct` here to parse `S` as a public struct
+   |
+LL | pub struct S<'a> {
+   |     ^^^^^^
+
+error: aborting due to previous error
+

src/test/ui/pub/pub-ident-with-lifetime-incomplete.rs

@@ -0,0 +1,5 @@
+fn main() {
+}
+
+pub   foo<'a>
+//~^ ERROR missing `fn` or `struct` for method or struct definition

src/test/ui/pub/pub-ident-with-lifetime-incomplete.stderr

@@ -0,0 +1,8 @@
+error: missing `fn` or `struct` for method or struct definition
+  --> $DIR/pub-ident-with-lifetime-incomplete.rs:4:4
+   |
+LL | pub   foo<'a>
+   |    ^^^
+
+error: aborting due to previous error
+