http://llvm.org/bugs/show_bug.cgi?id=15511
Bug ID: 15511
Summary: alignof(function type) should be 1, as per gcc
extension
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Currently clang implements alignof(function type) to be 4.
(ASTContext.cpp:1328)
Unfortunately, this differs from the actual gcc behavior.
$ cat /tmp/zz.cc
static_assert(alignof(void(void)) == 1, "alignof(function type) should be 1");
$ g++ -fsyntax-only -std=c++11 /tmp/zz.cc
$
How do we fix this? The obvious fix is trivial, but consequences could be
subtle, so I filed a bug.
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