http://llvm.org/bugs/show_bug.cgi?id=10004
Summary: [QoI] warn about non-static, non-inline, non-template
function definitions in header files
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
clang -Wall -Wextra produces no warnings for this:
// a.h
struct S {
void f();
};
void S::f() {}
// a.cpp
#include "a.h"
void g() {
S s;
s.f();
}
This issue is a particular efficiency drain since it doesn't manifest until
link time, and requires a rebuild of all includers of the header.
Ideally, any definition which wholly comes from a header file and produces a
non-weak symbol should warn. We'll need to be careful to weed out macros
defined in the main source file and expanded in #included files.
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