Add ui test parser/issues/invalid-parse-format-issue-139104.rs

Signed-off-by: xizheyin <[email protected]>

Author: xizheyin

tests/ui/parser/issues/invalid-parse-format-issue-139104.rs

@@ -0,0 +1,4 @@
+fn main() {
+    println!("{foo:_1.4}", foo = 3.14); //~ ERROR invalid format string: tuple index access isn't supported
+    println!("{foo:1.4_1.4}", foo = 3.14); //~ ERROR invalid format string: tuple index access isn't supported
+}

tests/ui/parser/issues/invalid-parse-format-issue-139104.stderr

@@ -0,0 +1,26 @@
+error: invalid format string: tuple index access isn't supported
+  --> $DIR/invalid-parse-format-issue-139104.rs:2:16
+   |
+LL |     println!("{foo:_1.4}", foo = 3.14);
+   |                ^^^^^^^^ not supported in format string
+   |
+help: consider using a positional formatting argument instead
+   |
+LL -     println!("{foo:_1.4}", foo = 3.14);
+LL +     println!("{0}", foo:_1.4, foo = 3.14);
+   |
+
+error: invalid format string: tuple index access isn't supported
+  --> $DIR/invalid-parse-format-issue-139104.rs:3:16
+   |
+LL |     println!("{foo:1.4_1.4}", foo = 3.14);
+   |                ^^^^^^^^^^^ not supported in format string
+   |
+help: consider using a positional formatting argument instead
+   |
+LL -     println!("{foo:1.4_1.4}", foo = 3.14);
+LL +     println!("{0}", foo:1.4_1.4, foo = 3.14);
+   |
+
+error: aborting due to 2 previous errors
+