minor clean-ups (#5282)

test/compress/awaits.js

@@ -11,6 +11,21 @@ async_arrow: {
     node_version: ">=8"
 }
 
+async_computed: {
+    input: {
+        var o = {
+            async [42]() {
+                return this.p;
+            },
+            p: "PASS",
+        };
+        o[42]().then(console.log);
+    }
+    expect_exact: 'var o={async[42](){return this.p},p:"PASS"};o[42]().then(console.log);'
+    expect_stdout: "PASS"
+    node_version: ">=8"
+}
+
 async_label: {
     input: {
         (async function() {

test/sandbox.js

@@ -26,9 +26,11 @@ exports.run_code = semver.satisfies(process.version, "0.8") ? function(code, top
     return stdout;
 } : semver.satisfies(process.version, "<0.12") ? run_code_vm : function(code, toplevel, timeout) {
     if ([
-        /\basync[ \t]*\([\s\S]*?\)[ \t]*=>/,
         /\b(async[ \t]+function|Promise|setImmediate|setInterval|setTimeout)\b/,
-        /\basync([ \t]+|[ \t]*#|[ \t]*\*[ \t]*)[^\s()[\]{}#:;,.&|!~=*%/+-]+(\s*\(|[ \t]*=>)/,
+        /\basync([ \t]+|[ \t]*#)[^\s()[\]{}#:;,.&|!~=*%/+-]+(\s*\(|[ \t]*=>)/,
+        /\basync[ \t]*\*[ \t]*[^\s()[\]{}#:;,.&|!~=*%/+-]+\s*\(/,
+        /\basync([ \t]*\*)?[ \t]*\[[\s\S]*?\]\s*\(/,
+        /\basync[ \t]*\([\s\S]*?\)[ \t]*=>/,
     ].some(function(pattern) {
         return pattern.test(code);
     })) {

test/ufuzz/index.js

@@ -2290,7 +2290,7 @@ function fuzzy_match(original, uglified) {
     return true;
 
     function collect(input, nums) {
-        return input.replace(/-?([1-9][0-9]*(\.[0-9]+)?|0\.[0-9]+)(e-?[1-9][0-9]*)?/ig, function(num) {
+        return input.replace(/-?([1-9][0-9]*(\.[0-9]+)?|0\.[0-9]+)(e-?[1-9][0-9]*)?/gi, function(num) {
             return "<|" + nums.push(+num) + "|>";
         });
     }