Bug 370028 - Unbuffer stdout in xpcshell so that its output during unit tests is in execution order. r+sr=brendan

git-svn-id: svn://10.0.0.236/trunk@220079 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/src/xpconnect/shell/xpcshell.cpp

@@ -964,6 +964,10 @@ main(int argc, char **argv, char **envp)
     int result;
     nsresult rv;
 
+    // unbuffer stdout so that output is in the correct order; note that stderr
+    // is unbuffered by default
+    setbuf(stdout, 0);
+
     gErrFile = stderr;
     gOutFile = stdout;
     {