https://bugs.llvm.org/show_bug.cgi?id=39867
Bug ID: 39867
Summary: Single line of C++ "template <>;" gives no errors, but
does with other compilers
Product: new-bugs
Version: trunk
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
clang reports no syntax errors for this single line .cxx file:
--------------------------
template <>;
--------------------------
leprechaun:~ sean$ clang --version
clang version 8.0.0 (trunk 347180)
Target: x86_64-apple-darwin17.7.0
Thread model: posix
InstalledDir: /Users/sean/llvm/llvm-rel-install/bin
leprechaun:~ sean$ clang -fsyntax-only ~/Desktop/test.cxx
/Users/sean/Desktop/test.cxx:1:13: warning: declaration does not declare
anything [-Wmissing-declarations]
template <>;
^
1 warning generated.
cppcheck 1.85, gcc 7.3.0, and VisualStudio 2017 give an error.
I arrived at this silly file by using creduce to make a reduced test case for
valid code that cppcheck was rejecting. So my 'interestingness test' was:
something that cppcheck reported an error for, but clang did not.
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