https://llvm.org/bugs/show_bug.cgi?id=24016
Bug ID: 24016
Summary: Incorrect error message when trying to modify a const
reference in lambda
Product: clang
Version: 3.6
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
This code:
int main() {
int x = 0;
const int& rx = x;
auto l = [&rx]() {
rx = 5;
};
}
produces error message:
test.cpp:5:12: error: cannot assign to a variable captured by copy in a
non-mutable lambda
rx = 5;
~~ ^
Moreover, even this code:
int main() {
int x = 0;
const int& rx = x;
auto l = [&rx]() mutable {
rx = 5;
};
}
produces the same error message.
But the message should rather say that modifying const reference is not
allowed.
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