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8267424: CTW: C1 fails with "State must not be null"

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Reviewed-by: kvn, roland
This commit is contained in:
Igor Veresov 2021-06-10 14:18:04 +00:00
parent e11f70aeb6
commit 0a6c7d8a4b
1 changed files with 4 additions and 2 deletions
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6
src/hotspot/share/c1/c1_GraphBuilder.cpp
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@ -3047,9 +3047,11 @@ BlockBegin* GraphBuilder::setup_start_block(int osr_bci, BlockBegin* std_entry,
// necesary if std_entry is also a backward branch target because
// then phi functions may be necessary in the header block. It's
// also necessary when profiling so that there's a single block that
// can increment the interpreter_invocation_count.
// can increment the the counters.
// In addition, with range check elimination, we may need a valid block
// that dominates all the rest to insert range predicates.
BlockBegin* new_header_block;
if (std_entry->number_of_preds() > 0 || count_invocations() || count_backedges()) {
if (std_entry->number_of_preds() > 0 || count_invocations() || count_backedges() || RangeCheckElimination) {
new_header_block = header_block(std_entry, BlockBegin::std_entry_flag, state);
} else {
new_header_block = std_entry;