pcc added inline comments.
================
Comment at: clang/lib/CodeGen/CodeGenModule.cpp:1413
+ FD->getType(), Context.getRecordType(Base).getTypePtr()));
+ F->addTypeMetadata(0, Id);
+ }
----------------
vlad.tsyrklevich wrote:
> It'd be nice to have a test that reaches this.
I'll add one.
================
Comment at: clang/lib/CodeGen/CodeGenModule.h:1256
+ std::vector<const CXXRecordDecl *>
+ getMostBaseClasses(const CXXRecordDecl *RD);
----------------
vlad.tsyrklevich wrote:
> Could be helpful to have a comment here to ensure there is no confusion
> interpreting this as 'the most-base classes' and not 'most of the base
> classes'.
Will do.
================
Comment at: clang/lib/Driver/SanitizerArgs.cpp:233
+ options::OPT_fno_sanitize_cfi_cross_dso, false);
+ if (CfiCrossDso)
+ Supported &= ~CFIMFCall;
----------------
vlad.tsyrklevich wrote:
> This will cause supplying both options to fail with `clang: error:
> unsupported option '-fsanitize=cfi-mfcall' for target ...`. Having it error
> out the same way as type generalization below where it states that
> cfi-cross-dso is unsupported with cfi-mfcall seems like a more helpful error.
The issue with that is that it would cause the flag combination `-fsanitize=cfi
-fsanitize-cfi-cross-dso` to fail with an unsupported error. So I think it
would need to work in a similar way as with the supported sanitizers. I guess I
could add something after line 293 below instead.
================
Comment at: clang/test/CodeGenCXX/type-metadata.cpp:281
// ITANIUM: [[FA_ID]] = distinct !{}
// MS: [[A8]] = !{i64 8, !"?AUA@@"}
----------------
vlad.tsyrklevich wrote:
> Any reason not to include AF64/CF64/FAF16 here?
No, I just forgot to add them. I'll do that.
================
Comment at: compiler-rt/lib/ubsan/ubsan_handlers.cc:645
+ const char *CheckKindStr = Data->CheckKind == CFITCK_NVMFCall
+ ? "non-virtual member function call"
+ : "indirect function call";
----------------
vlad.tsyrklevich wrote:
> s/member/pointer to member/ ?
Makes sense.
================
Comment at: compiler-rt/lib/ubsan/ubsan_handlers_cxx.cc:126
+ case CFITCK_VMFCall:
+ CheckKindStr = "virtual member function call";
+ break;
----------------
vlad.tsyrklevich wrote:
> s/member/pointer to member/ ?
Ditto
https://reviews.llvm.org/D47567
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