https://llvm.org/bugs/show_bug.cgi?id=28917
Bug ID: 28917
Summary: LWG 2148: hash support for enum types seems
under-specified
Product: libc++
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: mehdi.am...@apple.com
CC: llvm-bugs@lists.llvm.org, mclow.li...@gmail.com
Classification: Unclassified
libc++ implementation of std::hash does not allows to use SFINAE because of a
static_assert.
GCC had the same issue and removed the static assert 4 years ago:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52931
LGW 2148 reference is: http://cplusplus.github.io/LWG/lwg-active.html#2543
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