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vm_trace.c: suppress -Wclobbered warning

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-12-01 12:00:10 +00:00
parent f5c5a1979a
commit 98ab1510c4
1 changed files with 6 additions and 3 deletions
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9
vm_trace.c
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@ -378,8 +378,8 @@ rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg)
{
volatile int raised;
VALUE result = Qnil;
rb_execution_context_t *ec = GET_EC();
rb_vm_t *vm = rb_ec_vm_ptr(ec);
rb_execution_context_t *const ec = GET_EC();
rb_vm_t *const vm = rb_ec_vm_ptr(ec);
enum ruby_tag_type state;
rb_trace_arg_t dummy_trace_arg;
dummy_trace_arg.event = 0;
@ -392,9 +392,12 @@ rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg)
raised = rb_ec_reset_raised(ec);
EC_PUSH_TAG(ec);
if ((state = EC_EXEC_TAG()) == TAG_NONE) {
if (LIKELY((state = EC_EXEC_TAG()) == TAG_NONE)) {
result = (*func)(arg);
}
else {
(void)*&vm; /* suppress "clobbered" warning */
}
EC_POP_TAG();
if (raised) {