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Verify that empty std::vector is optimized away
authorJan Hubicka <hubicka@ucw.cz>
Tue, 12 Nov 2024 14:58:02 +0000 (15:58 +0100)
committerJan Hubicka <hubicka@ucw.cz>
Tue, 12 Nov 2024 14:58:54 +0000 (15:58 +0100)
commit2264b68796aa6f1a609987cf7edb9183bf070e7e
tree9f7c9e634067d9c6f3547e2ef5a809d12c3ffdb0tree
parentf72f8c34952fe27795fc750e80cb78b97b51fa97commit | diff
Verify that empty std::vector is optimized away

With __builtin_operator_new we now can optimize away unused std::vectors.
This adds testcases mentioned in the PR.

PR tree-optimization/96945

gcc/testsuite/ChangeLog:

* g++.dg/tree-ssa/pr96945.C: New test.
gcc/testsuite/g++.dg/tree-ssa/pr96945.C [new file with mode: 0644] blob
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