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8098517: Unprotected PrintMalloc in os::realloc

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Also verify tty != NULL before printing.

Reviewed-by: dholmes
This commit is contained in:
Kim Barrett 2015-06-15 01:38:42 -04:00
parent df2efa1c37
commit 8098f06af1
1 changed files with 2 additions and 2 deletions
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4
hotspot/src/share/vm/runtime/os.cpp
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@ -670,8 +670,8 @@ void* os::realloc(void *memblock, size_t size, MEMFLAGS memflags, const NativeCa
}
// always move the block
void* ptr = os::malloc(size, memflags, stack);
if (PrintMalloc) {
tty->print_cr("os::remalloc " SIZE_FORMAT " bytes, " PTR_FORMAT " --> " PTR_FORMAT, size, memblock, ptr);
if (PrintMalloc && tty != NULL) {
tty->print_cr("os::realloc " SIZE_FORMAT " bytes, " PTR_FORMAT " --> " PTR_FORMAT, size, memblock, ptr);
}
// Copy to new memory if malloc didn't fail
if ( ptr != NULL ) {