https://llvm.org/bugs/show_bug.cgi?id=22921
Bug ID: 22921
Summary: missing required field 'name' in MDSubprogram metadata
for c++ virtual thunk
Product: libraries
Version: trunk
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: LLVM assembly language parser
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Hi
Not sure whether this is a bug in clang or llvm. LLParser thinks that the
'name' field is required for MDSubprogram metadata for virtual C++ thunks, but
this field is not present, and there is an existing clang test that seems to
suggest that the name field is not intended to be present. Here is the test
(tools/clang/test/CodeGenCXX/debug-info-thunk.cpp):
struct A {
virtual void f();
};
struct B {
virtual void f();
};
struct C : A, B {
virtual void f();
};
void C::f() { }
Compile it to a .ll file and then run with opt to get the error.
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