https://bugs.llvm.org/show_bug.cgi?id=37754
Bug ID: 37754
Summary: MSVC doesn't mangle Obj-C generics
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: compn...@compnerd.org
Reporter: smee...@fb.com
CC: dgre...@apple.com, duhow...@microsoft.com,
llvm-bugs@lists.llvm.org, rjmcc...@apple.com,
r...@google.com
% cat generics.mm
@class I<T>;
@class J;
template <class T> void f() {}
template void f<I<id>>();
template void f<I<J *>>();
% clang -cc1 -triple i686-windows-msvc -fobjc-runtime=ios-6.0 -emit-llvm \
-o - generics.mm
generics.mm:3:25: error: definition with same mangled name '??$f@UI@@@@YAXXZ'
as another definition
template <class T> void f() {}
^
generics.mm:3:25: note: previous definition is here
1 error generated.
As far as I can see, __kindof and non-__kindof generics are actually mangled
identically on Itanium (and considered to be the same type), so we don't need
to distinguish between those.
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