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8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90

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Concurrent update of traps with construction of ciMethodData

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2014-03-05 09:29:12 +01:00
parent 796f0c989b
commit 38fd717c30
3 changed files with 43 additions and 44 deletions
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7
hotspot/src/share/vm/ci/ciMethodData.cpp
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@ -87,8 +87,9 @@ void ciMethodData::load_extra_data() {
DataLayout* dp_dst = extra_data_base();
for (;; dp_src = MethodData::next_extra(dp_src), dp_dst = MethodData::next_extra(dp_dst)) {
assert(dp_src < end_src, "moved past end of extra data");
assert(dp_src->tag() == dp_dst->tag(), err_msg("should be same tags %d != %d", dp_src->tag(), dp_dst->tag()));
switch(dp_src->tag()) {
// New traps in the MDO can be added as we translate the copy so
// look at the entries in the copy.
switch(dp_dst->tag()) {
case DataLayout::speculative_trap_data_tag: {
ciSpeculativeTrapData* data_dst = new ciSpeculativeTrapData(dp_dst);
SpeculativeTrapData* data_src = new SpeculativeTrapData(dp_src);
@ -102,7 +103,7 @@ void ciMethodData::load_extra_data() {
// An empty slot or ArgInfoData entry marks the end of the trap data
return;
default:
fatal(err_msg("bad tag = %d", dp_src->tag()));
fatal(err_msg("bad tag = %d", dp_dst->tag()));
}
}
}