If it is not present, fat LTO is generated with an additional warning.
gcc/testsuite/
* g++.dg/lto/pr89335_0.C: Require the linker plugin.
// { dg-lto-do link }
-// { dg-lto-options {{-O2 -flto -Wsuggest-final-methods}} }
+// { dg-lto-options { {-O2 -flto -Wsuggest-final-methods}} }
// { dg-extra-ld-options "-r -nostdlib -flinker-output=nolto-rel" }
+// { dg-require-linker-plugin "" }
+
class Container
{
public:
virtual ~Container ();
};
+
class List : public Container // { dg-lto-message "final would enable devirtualization" }
{
};
+
static List cache[256];
+
int main (void)
{
return 0;