Make exciting improvements

- Add Lua backtraces to redbean!
- Wipe serving keys after redbean forks
- Audit redbean to remove free via exit
- Log SSL client ciphersuite preferences
- Increase ASAN malloc() backtrace depth
- Make GetSslRoots() behave as a singleton
- Move leaks.c from LIBC_TESTLIB to LIBC_LOG
- Add undocumented %n to printf() for newlines
- Fix redbean memory leak reindexing inode change
- Fix redbean memory leak with Fetch() DNS object
- Restore original environ after __cxa_finalize()
- Make backtrace always work after __cxa_finalize()
- Introduce COUNTEXPR() diagnostic / benchmark tool
- Fix a few more instances of errno being clobbered
- Consolidate the ANSI color disabling internal APIs

libc/testlib/testmain.c

@@ -95,13 +95,13 @@ noasan int main(int argc, char *argv[]) {
   if (!g_testlib_failed && runbenchmarks_ && weaken(testlib_runallbenchmarks)) {
     weaken(testlib_runallbenchmarks)();
     if (!g_testlib_failed) {
-      testlib_checkformemoryleaks();
+      CheckForMemoryLeaks();
     }
     if (!g_testlib_failed && IsRunningUnderMake()) {
       return 254; /* compile.com considers this 0 and propagates output */
     }
   } else if (!g_testlib_failed) {
-    testlib_checkformemoryleaks();
+    CheckForMemoryLeaks();
   }
   exit(min(255, g_testlib_failed));
 }