https://llvm.org/bugs/show_bug.cgi?id=25619
Bug ID: 25619
Summary: no matching conversion for functional-style cast from
'void' to 'X'
Product: clang
Version: 3.5
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
G++ produces a better diagnostic here. In particular, I don't understand why
clang++ is talking about 'void'.
$ cat x.cc
struct X {
explicit X(int, int, int);
};
void F() {
X({1, 2, 3});
}
$ g++-4.8 -c x.cc -std=c++11
x.cc: In function ‘void F()’:
x.cc:6:14: error: converting to ‘X’ from initializer list would use explicit
constructor ‘X::X(int, int, int)’
X({1, 2, 3});
^
$ clang++-3.5 -c x.cc -std=c++11
x.cc:6:3: error: no matching conversion for functional-style cast from 'void'
to 'X'
X({1, 2, 3});
^~~~~~~~~~~
x.cc:1:8: note: candidate constructor (the implicit copy constructor) not
viable: cannot convert initializer list
argument to 'const X'
struct X {
^
x.cc:1:8: note: candidate constructor (the implicit move constructor) not
viable: cannot convert initializer list
argument to 'X'
struct X {
^
x.cc:2:12: note: candidate constructor not viable: requires 3 arguments, but 1
was provided
explicit X(int, int, int);
^
1 error generated.
$ clang++-3.5 --version
Ubuntu clang version 3.5.0-4ubuntu2~trusty2 (tags/RELEASE_350/final) (based on
LLVM 3.5.0)
Target: x86_64-pc-linux-gnu
Thread model: posix
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