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8202075: Crash when running compiler/codecache/OverflowCodeCacheTest.java

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Add missing null check in WhiteBox::allocate_code_blob()

Reviewed-by: thartmann
This commit is contained in:
Vladimir Kozlov 2018-04-24 10:26:54 -07:00
parent 839458fd21
commit ffd8e19eaf
1 changed files with 3 additions and 1 deletions

4
src/hotspot/share/prims/whitebox.cpp

@ -1359,7 +1359,9 @@ CodeBlob* WhiteBox::allocate_code_blob(int size, int blob_type) {
{
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
blob = (BufferBlob*) CodeCache::allocate(full_size, blob_type);
::new (blob) BufferBlob("WB::DummyBlob", full_size);
if (blob != NULL) {
::new (blob) BufferBlob("WB::DummyBlob", full_size);
}
}
// Track memory usage statistic after releasing CodeCache_lock
MemoryService::track_code_cache_memory_usage();