Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/opt/stack2.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++/51060 // { dg-options "-Os -Wframe-larger-than=2000 -Werror" } // Shows a problem of not re-using stack space: // Compile as: g++ -c test_stack_reuse.cpp -o /dev/null -Wframe-larger-than=2048 -Werror -Os // Result: warning: the frame size of 10240 bytes is larger than 2048 bytes [-Wframe-larger-than=] // struct StackObject { StackObject(); char buffer[1024]; }; void Test() { #define TEST_SUB() \ StackObject(); #define TEST() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() \ TEST_SUB() TEST() }