Add UBSan vptr blacklist entries for swiftshader.

tools/ubsan/vptr_blacklist.txt

 #############################################################################
 # UBSan vptr blacklist.
 # Function and type based blacklisting use a mangled name, and it is especially
 # tricky to represent C++ types. For now, any possible changes by name manglings
 # are simply represented as wildcard expressions of regexp, and thus it might be
 # over-blacklisted.
 
 #############################################################################
 # Identical layouts.
 # If base and derived classes have identifical memory layouts (i.e., the same
@@ skipping 82 matching lines @@
 src:*/third_party/pdfium/core/src/fpdfapi/fpdf_render/fpdf_render_text.cpp
 
 # obj/third_party/libwebm/libwebm.a(obj/third_party/libwebm/source/libwebm.mkvmuxer.o)(.data.rel..L__unnamed_2+0x18): error: undefined reference to 'typeinfo for mkvparser::IMkvReader'
 src:*/third_party/libwebm/source/mkvmuxer.cpp
 
 #############################################################################
 # LLVM is not UBSan vptr clean.
 src:*third_party/swiftshader/third_party/LLVM*
 
 #############################################################################
+# UBSan yields false positives in libEGL when objects created in libGLESv2
+# from classes derived from libEGL base classes are used within libEGL.
+# UBSan wrongly detects that the libGLESv2 classes are not derived from libEGL
+# classes because libEGL doesn't know about libGLESv2 classes.
+# See crbug.com/722349.
+type:*egl*Context*
+type:*egl*Surface*
+type:*gl*Object*
+type:*sw*FrameBuffer*
+
+#############################################################################
 # UBSan seems to be emit false positives when virtual base classes are
 # involved, see e.g. crbug.com/448102.
 
 type:*v8*internal*OFStream*
 
 #############################################################################
 # UBsan is unable to handle static_cast<A*>(nullptr) and crashes on SIGSEGV.
 #
 
 # static_cast<StartPageService*> in StartPageServiceFactory::GetForProfile.
 type:*StartPageService*
 
 # Remove once function attribute level blacklisting is implemented.
 # See crbug.com/476063.
 fun:*forbidGCDuringConstruction*
 
 #############################################################################
 # UBsan goes into an infinite recursion when __dynamic_cast instrumented with
 # "vptr". See crbug.com/609786.
 
 src:*/third_party/libc\+\+abi/trunk/src/private_typeinfo.cpp
 
 #############################################################################
 # invalid downcasts for IPC messages
 # https://crbug.com/520760
 src:*nacl_message_scanner.cc