Date: Fri, 27 Aug 2021 09:34:22 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 258079] clang-11 fails: candidate template ignored: substitution failure [with U = float]: variable length array cannot be formed during template argument deduction Message-ID: <bug-258079-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D258079 Bug ID: 258079 Summary: clang-11 fails: candidate template ignored: substitution failure [with U =3D float]: variable length array cannot be formed during template argument deduction Product: Base System Version: 13.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: misc Assignee: bugs@FreeBSD.org Reporter: yuri@freebsd.org Attachment #227468 text/plain mime type: Created attachment 227468 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D227468&action= =3Dedit c++test.cpp clang-11 fails on the attached testcase, bug g++10 succeeds. c++test.cpp:16:12: error: no matching member function for call to 'mmm' return ph.mmm(data, 10); ~~~^~~ c++test.cpp:10:14: note: candidate template ignored: substitution failure [= with U =3D float]: variable length array cannot be formed during template argume= nt deduction inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const { ^ ~ c++test.cpp:10:28: warning: shift count >=3D width of type [-Wshift-count-overflow] inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const { ^ ~~~~~~~ 1 warning and 1 error generated. [yuri@yv /disk-samsung/freebsd-ports/audio/calf-lv2]$ c++ -std=3Dc++11 -c c++test.cpp=20 c++test.cpp:16:12: error: no matching member function for call to 'mmm' return ph.mmm(data, 10); ~~~^~~ c++test.cpp:10:14: note: candidate template ignored: substitution failure [= with U =3D float]: variable length array cannot be formed during template argume= nt deduction inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const { ^ ~ c++test.cpp:10:28: warning: shift count >=3D width of type [-Wshift-count-overflow] inline U mmm(U data[(1U<<IntBits)+1], unsigned int mask) const { ^ ~~~~~~~ 1 warning and 1 error generated. audio/calf-lv2 had USE_GCC=3Dyes because of this. --=20 You are receiving this mail because: You are the assignee for the bug.=
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