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align jmp_buf to VALUE

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This ec->machine.regs is marked by GC. However jmp_buf is
not defined by us.  There are chances of unaligned access.
We should force it VALUE-aligned.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63375 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2018-05-09 09:53:19 +00:00
parent f5fef0a80d
commit abc30f2591
1 changed files with 1 additions and 1 deletions
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2
vm_core.h
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@ -823,7 +823,7 @@ typedef struct rb_execution_context_struct {
VALUE *register_stack_end;
size_t register_stack_maxsize;
#endif
jmp_buf regs;
RUBY_ALIGNAS(SIZEOF_VALUE) jmp_buf regs;
} machine;
} rb_execution_context_t;