Date: Thu, 12 May 2016 04:33:40 -0700 From: Yuri <yuri@rawbw.com> To: "ports@freebsd.org" <ports@freebsd.org> Subject: Why clang++37 behaves differently on 9.3 and 10.3? Message-ID: <57346A14.6010402@rawbw.com>
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clang++37 compiles this simple program fine on 10.3, but fails on 9.3.
Why does it behave differently on different OS versions?
It looks like it ignores -std=c++11 on 9.3.
Yuri
---program---
#include <limits>
int main() {
const int vmax = std::numeric_limits<int>::max();
static_assert(vmax>0, "");
}
---command---
clang++37 -std=c++11 -c test.cc
---error on 9.3---
test.cc:6:17: error: static_assert expression is not an integral
constant expression
static_assert(vmax>0, "");
^~~~~~
test.cc:6:17: note: initializer of 'vmax' is not a constant expression
test.cc:5:13: note: declared here
const int vmax = std::numeric_limits<int>::max();
^
1 error generated.
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