https://llvm.org/bugs/show_bug.cgi?id=28954
Bug ID: 28954
Summary: basic streams may not be initialized early enough
Product: libc++
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
This is a bug that https://reviews.llvm.org/D12689 attempted to address.
The C++11 standard (Section 27.4.1.2) requires that basic streams be
initialized as if an inclusion of <iostream> statically defined an instance of
std::ios_base::Init.
The example given in the changelist:
#include <iostream>
class Foo {
public:
Foo(int n) {
std::cout << "Hello World - " << n << std::endl;
}
};
Foo f(5);
int main() {
return 0;
}
With the head version of libc++, this program may crash.
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