https://llvm.org/bugs/show_bug.cgi?id=31934
Bug ID: 31934
Summary: Functions with non-tautological enable_if conditions
shouldn't be assignable to references
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: george.burgess...@gmail.com
Reporter: george.burgess...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
This behavior is good:
$ echo 'void foo(void) __attribute__((enable_if(false, ""))); void (*f)(void) =
foo;' | $clangpp -x c++ -o/dev/null -
error: cannot take address of function 'foo' because it has one or more
non-tautological enable_if conditions
$
This behavior is bad:
$ echo 'void foo(void) __attribute__((enable_if(false, ""))); void (&f)(void) =
foo;' | $clangpp -x c++ -o/dev/null -
$
...The difference being that we use *f in the good example, but &f in the bad.
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