#include <algorithm> #include "odr_header1.h" class Ordering { public: bool operator()(int a, int b) __attribute__((never_inline)); }; // This comment makes the line numbers in Ordering::operator() all have // two digits, which causes gold's output to be independent of which // instruction the compiler optimizes into the front of the function. bool Ordering::operator()(int a, int b) { // Optimization makes this operator() a different size than the one // in odr_violation1.cc. return (a * 30 + b + 12345) > b / 67; } void SortDescending(int array[], int size) { std::sort(array, array + size, Ordering()); } // This is weak in odr_violation1.cc. extern "C" int OverriddenCFunction(int i) { return i * i; } // Extra lines to put SometimeInlineFunction at line 30+. // And a dummy function to workaround a GCC 7 bug with debug line numbers. int DummyFunction(int i) { return i ^ 0x5555; } // This is inline in debug_msg.cc, which makes it a weak symbol too. int SometimesInlineFunction(int i) { return i * i; } // Instantiate the Derived vtable, with optimization (see Makefile.am). OdrBase* CreateOdrDerived2() { return new OdrDerived; } |