nobu	2015-02-15 12:23:36 +0900 (Sun, 15 Feb 2015)

  New Revision: 49601

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49601

  Log:
    random.c: suppress a warning
    
    * random.c (fill_random_bytes): use ATOMIC_SIZE_CAS to suppress a
      strict-aliasing warning by gcc 4.9 for mingw.

  Modified files:
    trunk/random.c
Index: random.c
===================================================================
--- random.c	(revision 49600)
+++ random.c	(revision 49601)
@@ -485,7 +485,7 @@ fill_random_bytes(void *seed, size_t siz https://github.com/ruby/ruby/blob/trunk/random.c#L485
 	if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
 	    prov = (HCRYPTPROV)INVALID_HANDLE_VALUE;
 	}
-	old_prov = (HCRYPTPROV)ATOMIC_PTR_CAS(perm_prov, 0, prov);
+	old_prov = (HCRYPTPROV)ATOMIC_SIZE_CAS(perm_prov, 0, prov);
 	if (prov == (HCRYPTPROV)INVALID_HANDLE_VALUE) {
 	    if (old_prov) prov = old_prov;
 	}

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