https://issues.dlang.org/show_bug.cgi?id=21503
Issue ID: 21503 Summary: Incorrect C main signature causes undefined behavior in @safe code Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: normal Priority: P1 Component: dmd Assignee: nob...@puremagic.com Reporter: snarwin+bugzi...@gmail.com Example program: --- extern(C) void main(double[] foo) @safe { import std.stdio; writeln(foo); // undefined behavior } --- To avoid this, the compiler should check the signature of a @safe extern(C) main function for conformance to the C standard. --