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

examples/auto-memory-safety-crash3.c

@@ -8,8 +8,11 @@
 ╚─────────────────────────────────────────────────────────────────*/
 #endif
 #include "libc/bits/bits.h"
+#include "libc/dce.h"
 #include "libc/log/log.h"
 #include "libc/mem/mem.h"
+#include "libc/runtime/runtime.h"
+#include "libc/stdio/stdio.h"
 #include "libc/str/str.h"
 
 /**
@@ -21,6 +24,10 @@
  */
 
 int main(int argc, char *argv[]) {
+  if (!IsAsan()) {
+    printf("this example is intended for MODE=asan or MODE=dbg\n");
+    exit(1);
+  }
   char *buffer;
   ShowCrashReports(); /* not needed but yoinks appropriate symbols */
   buffer = malloc(13);