Fix jemalloc c4334 warnings when compiling win64

third_party/jemalloc/chromium/jemalloc.c

 /* -*- Mode: C; tab-width: 8; c-basic-offset: 8 -*- */
 /* vim:set softtabstop=8 shiftwidth=8: */
 /*-
  * Copyright (C) 2006-2008 Jason Evans <jasone@FreeBSD.org>.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 4806 matching lines @@
 
         /* Initialize bins. */
         prev_run_size = pagesize;
 
         /* (2^n)-spaced tiny bins. */
         for (i = 0; i < ntbins; i++) {
                 bin = &arena->bins[i];
                 bin->runcur = NULL;
                 arena_run_tree_new(&bin->runs);
 
-                bin->reg_size = (1U << (TINY_MIN_2POW + i));
+                bin->reg_size = ((size_t)1 << (TINY_MIN_2POW + i));
 
                 prev_run_size = arena_bin_run_size_calc(bin, prev_run_size);
 
 #ifdef MALLOC_STATS
                 memset(&bin->stats, 0, sizeof(malloc_bin_stats_t));
 #endif
         }
 
         /* Quantum-spaced bins. */
         for (; i < ntbins + nqbins; i++) {
@@ skipping 1030 matching lines @@
         }
 
 #if (!defined(MOZ_MEMORY_WINDOWS) && !defined(MOZ_MEMORY_DARWIN))
         /* Prevent potential deadlock on malloc locks after fork. */
         pthread_atfork(_malloc_prefork, _malloc_postfork, _malloc_postfork);
 #endif
 
         /* Set variables according to the value of opt_small_max_2pow. */
         if (opt_small_max_2pow < opt_quantum_2pow)
                 opt_small_max_2pow = opt_quantum_2pow;
-        small_max = (1U << opt_small_max_2pow);
+        small_max = ((size_t)1 << opt_small_max_2pow);
 
         /* Set bin-related variables. */
         bin_maxclass = (pagesize >> 1);
         assert(opt_quantum_2pow >= TINY_MIN_2POW);
         ntbins = opt_quantum_2pow - TINY_MIN_2POW;
         assert(ntbins <= opt_quantum_2pow);
         nqbins = (small_max >> opt_quantum_2pow);
         nsbins = pagesize_2pow - opt_small_max_2pow - 1;
 
         /* Set variables according to the value of opt_quantum_2pow. */
-        quantum = (1U << opt_quantum_2pow);
+        quantum = ((size_t)1 << opt_quantum_2pow);
         quantum_mask = quantum - 1;
         if (ntbins > 0)
                 small_min = (quantum >> 1) + 1;
         else
                 small_min = 1;
         assert(small_min <= quantum);
 
         /* Set variables according to the value of opt_chunk_2pow. */
-        chunksize = (1LU << opt_chunk_2pow);
+        chunksize = ((size_t)1 << opt_chunk_2pow);
         chunksize_mask = chunksize - 1;
         chunk_npages = (chunksize >> pagesize_2pow);
         {
                 size_t header_size;
 
                 /*
                  * Compute the header size such that it is large
                  * enough to contain the page map and enough nodes for the
                  * worst case: one node per non-header page plus one extra for
                  * situations where we briefly have one more node allocated
@@ skipping 1359 matching lines @@
 
 #elif defined(RTLD_DEEPBIND)
 /*
  * XXX On systems that support RTLD_GROUP or DF_1_GROUP, do their
  * implementations permit similar inconsistencies?  Should STV_SINGLETON
  * visibility be used for interposition where available?
  */
 #  error "Interposing malloc is unsafe on this system without libc malloc hooks."
 #endif