Subzero, Wasm: Dynamically reallocate read buffer. Runtime improvements.

pydir/wasm-run-torture-tests.py

 #!/usr/bin/env python2
 
 #===- subzero/wasm-run-torture-tests.py - Subzero WASM Torture Test Driver ===//
 #
 #                        The Subzero Code Generator
 #
 # This file is distributed under the University of Illinois Open Source
 # License. See LICENSE.TXT for details.
 #
 #===-----------------------------------------------------------------------===//
@@ skipping 145 matching lines @@
   status = os.system(cmd);
   if status != 0:
     print('\033[1;31m[compile fail]\033[1;m', file=out)
     with results_lock:
       compile_failures.append(test_file)
   else:
     compile_count += 1
 
     # Try to link and run the program.
     cmd = "clang -g -m32 {} -o {} " + \
-          "./runtime/szrt.c ./runtime/wasm-runtime.cpp -lm"
+          "./runtime/szrt.c ./runtime/wasm-runtime.cpp -lm -lstdc++"
     cmd = cmd.format(obj_file, exe_file)
 
     if not run_test or os.system(cmd) == 0:
       if not run_test or os.system(exe_file) == 0:
         with results_lock:
           run_count += 1
         print('\033[1;32m[ok]\033[1;m', file=out)
       else:
         with results_lock:
           run_failures.append(test_file)
@@ skipping 43 matching lines @@
 if len(run_failures) > 0:
   print()
   print("Run failures:")
   print("=============\n")
   for f in run_failures:
     print("    \033[1;33m" + f + "\033[1;m")
 
 print("\n\033[1;32m{}\033[1;m / \033[1;33m{}\033[1;m / {} tests passed"
       .format(run_count, compile_count - run_count,
               run_count + len(compile_failures) + len(run_failures)))