[sanitizer_common] Return nullptr on ASan allocator commitment error.

[jschwartzentruber]

Summary

This happens on Windows when an allocation exceeds available page file
size. It should be treated the same as out-of-memory.

[jschwartzentruber]

This was reported as https://bugzilla.mozilla.org/show_bug.cgi?id=1769798 and the patch has been verified to fix that bug (against clang 14.0.5).

compiler-rt/lib/sanitizer_common/sanitizer_win.cpp

if (VirtualFree(addr, size, MEM_DECOMMIT) == 0) {
       CHECK("unable to unmap" && 0);
     }
   }
 }
 
 static void *ReturnNullptrOnOOMOrDie(uptr size, const char *mem_type,
                                      const char *mmap_type) {
   error_t last_error = GetLastError();
-  if (last_error == ERROR_NOT_ENOUGH_MEMORY)
+  if (last_error == ERROR_NOT_ENOUGH_MEMORY ||
+      last_error == ERROR_COMMITMENT_LIMIT)
     return nullptr;
   ReportMmapFailureAndDie(size, mem_type, mmap_type, last_error);
 }
 
 void *MmapOrDieOnFatalError(uptr size, const char *mem_type) {
   void *rv = VirtualAlloc(0, size, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
   if (rv == 0)
     return ReturnNullptrOnOOMOrDie(size, mem_type, "allocate");