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Workaround for optimization bug of Oracle Developer Studio 12.4-12.6

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* pack.c (pack_unpack, AVOID_CC_BUG): Very ugly workaround for
  optimization bug of Oracle Developer Studio (Oracle Solaris Studio)
  12.4, 12.5, and 12.6 on Solaris 10 with -xO4 optimization option.
  [Bug #11684] [ruby-core:84351]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61344 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ngoto 2017-12-19 16:55:08 +00:00
parent 8c34a8a127
commit 504842d81f
1 changed files with 3 additions and 2 deletions
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pack.c
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@ -1011,10 +1011,11 @@ hex2num(char c)
rb_ary_store(ary, RARRAY_LEN(ary)+tmp_len-1, Qnil); \
} while (0)
/* Workaround for Oracle Solaris Studio 12.4/12.5 C compiler optimization bug
/* Workaround for Oracle Developer Studio (Oracle Solaris Studio)
* 12.4/12.5/12.6 C compiler optimization bug
* with "-xO4" optimization option.
*/
#if defined(__SUNPRO_C) && 0x5130 <= __SUNPRO_C && __SUNPRO_C <= 0x5140
#if defined(__SUNPRO_C) && 0x5130 <= __SUNPRO_C && __SUNPRO_C <= 0x5150
# define AVOID_CC_BUG volatile
#else
# define AVOID_CC_BUG