https://bugs.llvm.org/show_bug.cgi?id=43628
Bug ID: 43628
Summary: Clang crashes if __private_extern__ is undef'd and
used in C++
Product: clang
Version: 8.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Compile this C++ code:
#undef __private_extern__
struct ABC {
static double a;
};
__private_extern__ double ABC::a = 1.0;
This crashes at SemaDecl.cpp:6649 saying:
$ clang -c t.cpp
C storage class in c++!
UNREACHABLE executed at C:\src\llvm-project\clang\lib\Sema\SemaDecl.cpp:6649!
See also https://bugs.llvm.org/show_bug.cgi?id=9375, where I guess a user
wanted us to restrict this extension to MachO platforms.
Noticed while working on https://reviews.llvm.org/D68055.
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