<html>
    <head>
      <base href="http://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [-cxx-abi microsoft] constructor called the wrong number of times"
   href="http://llvm.org/bugs/show_bug.cgi?id=18435">18435</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[-cxx-abi microsoft] constructor called the wrong number of times
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>LLVM Codegen
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>david.majnemer@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>consider:
extern "C" int printf(const char *fmt, ...);
struct ClassName0 {
  ClassName0() { printf("ctor called\n"); }
};
struct ClassName1 : virtual ClassName0 {};
struct ClassName2 : ClassName1, ClassName0 {};
template <typename Class>
static void init_mem() {
  Class x;
}
int main() {
  init_mem<ClassName1>();
  init_mem<ClassName2>();
}

compile with:
clang++ -x c++ different.cpp -target i386-pc-win32 -Xclang -cxx-abi -Xclang
microsoft -fms-compatibility -fno-rtti -fms-extensions -c -o different.obj

link with:
link -nologo different.obj 'c:/Program Files/Microsoft Visual Studio
9.0/VC/lib/msvcrt.lib'

output is:
ctor called
ctor called

MSVC's is:
ctor called
ctor called
ctor called</pre>
        </div>
      </p>
      <hr>
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      <ul>
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