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* [Bug c++/66026] New: C++14] throw-expression is not a valid constant-expression
@ 2015-05-05 18:45 rhalbersma at gmail dot com
2015-08-28 5:30 ` [Bug c++/66026] " trippels at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: rhalbersma at gmail dot com @ 2015-05-05 18:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66026
Bug ID: 66026
Summary: C++14] throw-expression is not a valid
constant-expression
Product: gcc
Version: 5.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: rhalbersma at gmail dot com
Target Milestone: ---
g++ 5.1.0 and current trunk 20150505 won't compile the following code with
-std=c++1y:
constexpr auto fun(int n)
{
switch(n) {
case 0: return 0;
default: return throw 42, 42;
}
}
int main()
{
static_assert(fun(0) == 0, "");
}
yielding the error: expression '<throw-expression>' is not a
constant-expression
The same code compiles with -std=c++14 with all recent Clang versions (3.4.0
through SVN trunk).
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2015-05-05 18:45 [Bug c++/66026] New: C++14] throw-expression is not a valid constant-expression rhalbersma at gmail dot com
2015-08-28 5:30 ` [Bug c++/66026] " trippels at gcc dot gnu.org
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