Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-inline-1.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// PR c++/53792 - [C++11] improving compiler-time constexpr evaluation // Test case from comment #8. // { dg-do compile { target c++14 } } // { dg-additional-options "-O1 -fdump-tree-optimized" } template <class T> void sink (T); constexpr unsigned foo () { unsigned i = 1; while ((i << 1) > i) i = i << 1; return i; } template <unsigned N> struct S { }; void bar () { sink (foo ()); sink (S<foo ()>()); } // Verify that the call to the foo() constexpr function is inlined // regardless of whether or not it's invoked in a constant expression. // { dg-final { scan-tree-dump-not "= *foo *\\\(" "optimized" } }