1 files changed, 125 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused_parens_remove_json_suggestion.stderr b/src/test/ui/lint/unused_parens_remove_json_suggestion.stderr
new file mode 100644
index 000000000..f4c6ceaf1
--- /dev/null
+++ b/src/test/ui/lint/unused_parens_remove_json_suggestion.stderr
@@ -0,0 +1,125 @@
+{"message":"unnecessary parentheses around `if` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":481,"byte_end":482,"line_start":17,"line_end":17,"column_start":8,"column_end":9,"is_primary":true,"text":[{"text":"    if (_b) {
+  --> $DIR/unused_parens_remove_json_suggestion.rs:17:8
+   |
+LL |     if (_b) {
+   |        ^  ^
+   |
+note: the lint level is defined here
+  --> $DIR/unused_parens_remove_json_suggestion.rs:10:9
+   |
+LL | #![deny(unused_parens)]
+   |         ^^^^^^^^^^^^^
+help: remove these parentheses
+   |
+LL -     if (_b) {
+LL +     if _b {
+   |
+
+"}
+{"message":"unnecessary parentheses around `if` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":612,"byte_end":613,"line_start":28,"line_end":28,"column_start":7,"column_end":8,"is_primary":true,"text":[{"text":"    if(c) {
+  --> $DIR/unused_parens_remove_json_suggestion.rs:28:7
+   |
+LL |     if(c) {
+   |       ^ ^
+   |
+help: remove these parentheses
+   |
+LL -     if(c) {
+LL +     if c {
+   |
+
+"}
+{"message":"unnecessary parentheses around `if` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":692,"byte_end":693,"line_start":32,"line_end":32,"column_start":8,"column_end":9,"is_primary":true,"text":[{"text":"    if (c){
+  --> $DIR/unused_parens_remove_json_suggestion.rs:32:8
+   |
+LL |     if (c){
+   |        ^ ^
+   |
+help: remove these parentheses
+   |
+LL -     if (c){
+LL +     if c {
+   |
+
+"}
+{"message":"unnecessary parentheses around `while` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":774,"byte_end":775,"line_start":36,"line_end":36,"column_start":11,"column_end":12,"is_primary":true,"text":[{"text":"    while (false && true){","highlight_start":11,"highlight_end":12}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":788,"byte_end":789,"line_start":36,"line_end":36,"column_start":25,"column_end":26,"is_primary":true,"text":[{"text":"    while (false && true){","highlight_start":25,"highlight_end":26}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"remove these parentheses","code":null,"level":"help","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":774,"byte_end":775,"line_start":36,"line_end":36,"column_start":11,"column_end":12,"is_primary":true,"text":[{"text":"    while (false && true){","highlight_start":11,"highlight_end":12}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null},{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":788,"byte_end":789,"line_start":36,"line_end":36,"column_start":25,"column_end":26,"is_primary":true,"text":[{"text":"    while (false && true){","highlight_start":25,"highlight_end":26}],"label":null,"suggested_replacement":" ","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"error: unnecessary parentheses around `while` condition
+  --> $DIR/unused_parens_remove_json_suggestion.rs:36:11
+   |
+LL |     while (false && true){
+   |           ^             ^
+   |
+help: remove these parentheses
+   |
+LL -     while (false && true){
+LL +     while false && true {
+   |
+
+"}
+{"message":"unnecessary parentheses around `if` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":802,"byte_end":803,"line_start":37,"line_end":37,"column_start":12,"column_end":13,"is_primary":true,"text":[{"text":"        if (c) {
+  --> $DIR/unused_parens_remove_json_suggestion.rs:37:12
+   |
+LL |         if (c) {
+   |            ^ ^
+   |
+help: remove these parentheses
+   |
+LL -         if (c) {
+LL +         if c {
+   |
+
+"}
+{"message":"unnecessary parentheses around `while` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":899,"byte_end":900,"line_start":43,"line_end":43,"column_start":10,"column_end":11,"is_primary":true,"text":[{"text":"    while(true && false) {
+  --> $DIR/unused_parens_remove_json_suggestion.rs:43:10
+   |
+LL |     while(true && false) {
+   |          ^             ^
+   |
+help: remove these parentheses
+   |
+LL -     while(true && false) {
+LL +     while true && false {
+   |
+
+"}
+{"message":"unnecessary parentheses around `for` iterator expression","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":968,"byte_end":969,"line_start":44,"line_end":44,"column_start":18,"column_end":19,"is_primary":true,"text":[{"text":"        for _ in (0 .. 3){
+  --> $DIR/unused_parens_remove_json_suggestion.rs:44:18
+   |
+LL |         for _ in (0 .. 3){
+   |                  ^      ^
+   |
+help: remove these parentheses
+   |
+LL -         for _ in (0 .. 3){
+LL +         for _ in 0 .. 3 {
+   |
+
+"}
+{"message":"unnecessary parentheses around `for` iterator expression","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":1069,"byte_end":1070,"line_start":49,"line_end":49,"column_start":14,"column_end":15,"is_primary":true,"text":[{"text":"    for _ in (0 .. 3) {
+  --> $DIR/unused_parens_remove_json_suggestion.rs:49:14
+   |
+LL |     for _ in (0 .. 3) {
+   |              ^      ^
+   |
+help: remove these parentheses
+   |
+LL -     for _ in (0 .. 3) {
+LL +     for _ in 0 .. 3 {
+   |
+
+"}
+{"message":"unnecessary parentheses around `while` condition","code":{"code":"unused_parens","explanation":null},"level":"error","spans":[{"file_name":"$DIR/unused_parens_remove_json_suggestion.rs","byte_start":1128,"byte_end":1129,"line_start":50,"line_end":50,"column_start":15,"column_end":16,"is_primary":true,"text":[{"text":"        while (true && false) {
+  --> $DIR/unused_parens_remove_json_suggestion.rs:50:15
+   |
+LL |         while (true && false) {
+   |               ^             ^
+   |
+help: remove these parentheses
+   |
+LL -         while (true && false) {
+LL +         while true && false {
+   |
+
+"}
+{"message":"aborting due to 9 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 9 previous errors
+
+"}