Break nested calls (#517)

If there's a break inside of a call, we want to force it in the group, otherwise it may get the indentation wrong. See the real-world use case in #513

Fixes #513

src/printer.js

@@ -1768,7 +1768,8 @@ function printArgumentsList(path, options, print) {
       ifBreak(options.trailingComma ? "," : ""),
       softline,
       ")"
-    ])
+    ]),
+    { shouldBreak: printed.some(willBreak) }
   );
 }
 

tests/break-calls/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,14 @@
+exports[`test break.js 1`] = `
+"h(f(g(() => {
+  a
+})))
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+h(
+  f(
+    g(() => {
+      a;
+    })
+  )
+);
+"
+`;

tests/break-calls/break.js

@@ -0,0 +1,3 @@
+h(f(g(() => {
+  a
+})))

tests/break-calls/jsfmt.spec.js

@@ -0,0 +1 @@
+run_spec(__dirname);