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| author | tsepez <tsepez@chromium.org> | 2016-05-27 17:45:00 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-05-27 17:45:00 -0700 |
| commit | 3a005f22703b9303a306bf34cbd17c3729f763aa (patch) | |
| tree | 9f640eaedbcbdf5b24641f33da1a110241feca82 /xfa.gyp | |
| parent | 2f109ab836682cb465270ed303d27955db97d98f (diff) | |
| download | pdfium-3a005f22703b9303a306bf34cbd17c3729f763aa.tar.xz | |
Workaround dubious casting between CXFA_Object and void* in FXJSE
This is just a crock to get things working until we fix the
underlying issue.
When there's single-inheritance, it may often work in practice
to C-style (reinterpret) cast a Derived* ptr to void* and then
back to a Base* ptr. One place where this blows up is if
Derived has virtual functions but Base does not, in which case
the world will be offset by the size of a vtable ptr.
Because of the use of void* types in FXJSE, the above was happening
when setting a CXFA_ThisProxy (Derived, virtual) to be a global
object (void*). This would then be cast back to a CFXA_Object
(Base, non-virtual) and chaos is ensured.
Not sure how far back this goes.
Along the way, pick up some tidying which was necessary for
simplicity while tracking this down.
BUG=613607
Review-Url: https://codereview.chromium.org/2015143005
Diffstat (limited to 'xfa.gyp')
| -rw-r--r-- | xfa.gyp | 1 |
1 files changed, 0 insertions, 1 deletions
@@ -722,7 +722,6 @@ "xfa/fxjse/runtime.cpp", "xfa/fxjse/runtime.h", "xfa/fxjse/scope_inline.h", - "xfa/fxjse/util_inline.h", "xfa/fxjse/value.cpp", "xfa/fxjse/value.h" ], |