[LLVMbugs] [Bug 12067] New: static global of class type not initialized in c++11 mode

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12067

             Bug #: 12067
           Summary: static global of class type not initialized in c++11
                    mode
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: rafael.espindola at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Given

struct nsMemoryImpl {
  virtual void f();
};
static nsMemoryImpl sGlobalMemory;
void f(nsMemoryImpl *);
void g() {
  f(&sGlobalMemory);
}

clang normally produces

@_ZL13sGlobalMemory = internal global %struct.nsMemoryImpl { i32 (...)**
bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV12nsMemoryImpl, i64 0,
i64 2) to i32 (...)**) }, align 8

but with -std=c++11

it produces


@_ZL13sGlobalMemory = internal global { [8 x i8] } undef, align 8

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