Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

third_party/python/Modules/arraymodule.c

@@ -1816,9 +1816,9 @@ typecode_to_mformat_code(char typecode)
     case 'f':
         if (sizeof(float) == 4) {
             const float y = 16711938.0;
-            if (memcmp(&y, "\x4b\x7f\x01\x02", 4) == 0)
+            if (!bcmp(&y, "\x4b\x7f\x01\x02", 4))
                 return IEEE_754_FLOAT_BE;
-            if (memcmp(&y, "\x02\x01\x7f\x4b", 4) == 0)
+            if (!bcmp(&y, "\x02\x01\x7f\x4b", 4))
                 return IEEE_754_FLOAT_LE;
         }
         return UNKNOWN_FORMAT;
@@ -1826,9 +1826,9 @@ typecode_to_mformat_code(char typecode)
     case 'd':
         if (sizeof(double) == 8) {
             const double x = 9006104071832581.0;
-            if (memcmp(&x, "\x43\x3f\xff\x01\x02\x03\x04\x05", 8) == 0)
+            if (!bcmp(&x, "\x43\x3f\xff\x01\x02\x03\x04\x05", 8))
                 return IEEE_754_DOUBLE_BE;
-            if (memcmp(&x, "\x05\x04\x03\x02\x01\xff\x3f\x43", 8) == 0)
+            if (!bcmp(&x, "\x05\x04\x03\x02\x01\xff\x3f\x43", 8))
                 return IEEE_754_DOUBLE_LE;
         }
         return UNKNOWN_FORMAT;