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[committed] testsuite: Fix up pr104601.C for recent libstdc++ changes

Message ID ZfQQDdxw8vFTwjGC@tucnak
State New
Headers show
Series [committed] testsuite: Fix up pr104601.C for recent libstdc++ changes | expand

Commit Message

Jakub Jelinek March 15, 2024, 9:08 a.m. UTC 
Hi!

On Thu, Mar 14, 2024 at 04:58:41PM +0000, Jonathan Wakely wrote:
> Add the [[nodiscard]] attribute to several functions in <algorithm>.

r14-9478 added [[nodiscard]] to various <algorithm> APIs including find_if
the pr104601.C testcase uses.  As it is an optimization bug fix testcase,
haven't tried to adjust the testcase to use the find_if result, but instead
have added -Wno-unused-result flag to quiet the warning.

The testcase tests side-effects of the lambda used by find_if rather than
its actual result.

Tested on x86_64-linux -m32/-m64, committed to trunk as obvious.

2024-03-15  Jakub Jelinek  <jakub@redhat.com>

	* g++.dg/torture/pr104601.C: Add -Wno-unused-result to dg-options.



	Jakub
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Patch

--- gcc/testsuite/g++.dg/torture/pr104601.C.jj	2022-05-23 21:44:48.390854093 +0200
+++ gcc/testsuite/g++.dg/torture/pr104601.C	2024-03-15 09:59:08.581824938 +0100
@@ -1,6 +1,6 @@ 
 // PR tree-optimization/104601
 // { dg-do run }
-// { dg-options "-std=c++17" }
+// { dg-options "-std=c++17 -Wno-unused-result" }
 
 #include <algorithm>
 #include <optional>