Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/tree-ssa/pr89698.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// { dg-do compile } // { dg-options "-O -fdump-tree-fre1" } class A { virtual void f(){}; public: int x; A(int in): x(in) {}; }; class B: public A { public: int y; B(int in):A(in-1), y(in) {}; }; void bar(void *); void test() { B b(2); A* bp = &b; void* vp = dynamic_cast<void*>(bp); bar (vp); } // We should be able to constant fold from the virtual table // the offset added to bp for the dynamic cast and forward // &b to the argument of bar // { dg-final { scan-tree-dump "bar \\\(&b" "fre1" } }