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

test/libc/nexgen32e/memmove_test.c

@@ -61,29 +61,6 @@ TEST(MemMove, overlapping) {
   }
 }
 
-TEST(memmove$pure, overlapping) {
-  for (i = 0; i < N; i += S) {
-    for (j = 0; j < N; j += S) {
-      for (n = MIN(N - i, N - j) + 1; n--;) {
-        b0 = rngset(malloc(N), N, rand64, -1);
-        b1 = memcpy(malloc(N), b0, N);
-        b2 = memcpy(malloc(N), b0, N);
-        ASSERT_EQ(b1 + j, memmove_pure(b1 + j, b1 + i, n));
-        ASSERT_EQ(b2 + j, PosixMemmove(b2 + j, b2 + i, n));
-        ASSERT_EQ(0, memcmp(b1, b2, N),
-                  "j=%ld i=%ld n=%ld\n"
-                  "\t%#.*s data\n"
-                  "\t%#.*s memmove\n"
-                  "\t%#.*s posix",
-                  j, i, n, n, b0, n, b1, n, b2);
-        free(b2);
-        free(b1);
-        free(b0);
-      }
-    }
-  }
-}
-
 TEST(MemCpy, overlapping) {
   for (i = 0; i < N; i += S) {
     for (j = 0; j < N; j += S) {