* hash.c (rb_hash): always return a fixnum value because a return
value of rb_hash may be used as a hash value itself and bignums have
no unique VALUE.
* test/ruby/test_hash.rb: add a test for above.
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was converted to a Bignum in calculating its hash.
[ruby-dev:39637]
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finalized objects and has no free objects. [ruby-dev:39201]
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a patch from coderrr at [ruby-core:23050]
* gc.c (obj_free): do not free cloned scope local variables.
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* intern.h (Init_stack): make to call ruby_init_stack.
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* array.c, bignum.c, dir.c, enumerator.c, gc.c, io.c, numeric.c,
object.c, re.c, string.c, struct.c: Mixing two styles is not a
good thing. Stick with the K&R style in 1.8.
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* marshal.c (struct dump_arg, struct load_arg): added wrappers to mark
data entries. backport from trunk r13527,r13528,r13961,r16533.
[ruby-dev:36082]
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finalizer_table.
* gc.c (rb_gc_call_finalizer_at_exit): warns when could not invoke
finalizers.
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* gc.c (gc_sweep): sets rb_thread_pending to run deferred finalizers.
* rubysig.h (CHECK_INTS): now checks rb_thread_pending even on
platforms where setitimer is not available. [ruby-core:18045]
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if it was frozen. clear all raised flags.
* eval.c (stack_check): leave clearing flag to rb_longjmp.
* eval.c (rb_thread_set_raised, rb_thread_reset_raised): use generic
flags.
* eval.c (Init_Proc), gc.c (Init_GC): freeze preallocated special exceptions.
* gc.c (rb_memerror): use thread raised flag instead of static flag,
and raise nomem_error without backtrace if failed to make backtrace.
[ruby-dev:34724]
* gc.c (ruby_xmalloc): increase malloc_increase only if malloc
succeeds. failed malloc size can be huge. it may increase
malloc_limit too big which cause less GC and memory full.
(ruby_xrealloc): ditto.
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backported from 1.9. a patch from Tadashi Saito
in [ruby-dev:34394] and bug#19000
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__builtin_setjmp, _setjmp over setjmp and sigsetjmp.
[ruby-core:16023], [ruby-core:16086]
* configure.in (--with-setjmp-type): new option to override the
default rule in the above.
* eval.c (ruby_setjmp, ruby_longjmp), gc.c (rb_setjmp),
node.h (rb_jmpbuf_t): use RUBY_SETJMP, RUBY_LONGJMP and
RUBY_JMP_BUF.
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* eval.c, gc.c (setjmp): do not use _setjmp if sigsetjmp is available.
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__builtin_frame_address(0) to avoid SEGV on SunOS 5.11 on x86 with
gcc (GCC) 3.4.3 (csl-sol210-3_4-20050802).
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