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8160399: is_oop_or_null involves undefined behavior

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8164984: Improper use of is_oop in production code

Replace oop->is_oop*() with oopDesc::is_oop*(oop) so this pointer can be verified

Reviewed-by: iklam, kvn, dholmes
This commit is contained in:
Coleen Phillimore 2017-08-23 14:52:55 -04:00
parent 61a9f88ca7
commit 3d6d1ec64b
61 changed files with 195 additions and 209 deletions
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hotspot/src/cpu/sparc/vm/methodHandles_sparc.cpp
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@ -562,7 +562,7 @@ void trace_method_handle_stub(const char* adaptername,
// Note: the unextended_sp may not be correct
tty->print_cr(" stack layout:");
values.print(p);
if (has_mh && mh->is_oop()) {
if (has_mh && oopDesc::is_oop(mh)) {
mh->print();
if (java_lang_invoke_MethodHandle::is_instance(mh)) {
if (java_lang_invoke_MethodHandle::form_offset_in_bytes() != 0)