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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>Yesterday I updated to revision #294006 of the v4.0 branch, but I am getting a few new failures in the C++ test-suite. One example is:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>llvm/projects/libcxx/test/</span><span style='font-family:"Book Antiqua",serif;color:black'>std/containers/sequences/forwardlist/forwardlist.modifiers/emplace_front.pass.cpp<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>For which I get the following errors:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>llvm/projects/libcxx/test/std/containers/sequences/forwardlist/forwardlist.modifiers/emplace_front.pass.cpp:28:12: error: non-const lvalue reference to type 'T' (aka 'Emplaceable') cannot bind to a temporary of type 'void'<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> T& r1 = c.emplace_front();<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> ^ ~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>llvm/projects/libcxx/test/std/containers/sequences/forwardlist/forwardlist.modifiers/emplace_front.pass.cpp:32:12: error: non-const lvalue reference to type 'T' (aka 'Emplaceable') cannot bind to a temporary of type 'void'<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> T& r2 = c.emplace_front(1, 2.5);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> ^ ~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>llvm/projects/libcxx/test/std/containers/sequences/forwardlist/forwardlist.modifiers/emplace_front.pass.cpp:42:12: error: non-const lvalue reference to type 'T' (aka 'Emplaceable') cannot bind to a temporary of type 'void'<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> T& r1 = c.emplace_front();<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> ^ ~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>llvm/projects/libcxx/test/std/containers/sequences/forwardlist/forwardlist.modifiers/emplace_front.pass.cpp:46:12: error: non-const lvalue reference to type 'T' (aka 'Emplaceable') cannot bind to a temporary of type 'void'<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> T& r2 = c.emplace_front(1, 2.5);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> ^ ~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>4 errors generated.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>This is with a clean build, and I am compiling with ‘</span><span style='font-size:12.0pt;font-family:"Courier New"'>-std=c++14 -UNDEBUG</span><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>’. With my previous build based on revision #293059 this was working okay. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>Is this a known regression, or something new?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua",serif'><o:p> </o:p></span></p></div></body></html>