[llvm-bugs] [Bug 34811] New: Regression (r313957): -fvisibility=hidden has no effect on template instantiated functions whose types contain a lambda

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34811

            Bug ID: 34811
           Summary: Regression (r313957): -fvisibility=hidden has no
                    effect on template instantiated functions whose types
                    contain a lambda
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: peter at pcc.me.uk
                CC: llvm-bugs at lists.llvm.org

$ cat vih.cpp 
template <typename T>
void tf() {}

inline void *f() {
  auto l = [](){};
  return (void *)&tf<decltype(l)>;
}

void *p = (void *)f;

r313956:
$ clang -std=c++11  -fvisibility=hidden vih.cpp -S -o - -emit-llvm | grep
define.*_Z2tfIZ1fvEUlvE_Evv
define linkonce_odr hidden void @_Z2tfIZ1fvEUlvE_Evv() #0 comdat {

r313957:
$ clang -std=c++11  -fvisibility=hidden vih.cpp -S -o - -emit-llvm | grep
define.*_Z2tfIZ1fvEUlvE_Evv
define linkonce_odr void @_Z2tfIZ1fvEUlvE_Evv() #0 comdat {

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