On Wed, 26 Mar 2025 at 00:55, <ci_not...@linaro.org> wrote:
>
> Dear contributor,
>
> Our automatic CI has detected problems related to your patch(es). Please find
> some details below.
>
> In gcc_check master-aarch64, after:
> | commit gcc-15-8904-ge200f53a555
> | Author: Jonathan Wakely <jwak...@redhat.com>
> | Date: Tue Mar 25 13:24:08 2025 +0000
> |
> | libstdc++: Optimize std::vector construction from input iterators
> [PR108487]
> |
> | LWG 3291 make std::ranges::iota_view's iterator have
> input_iterator_tag
> | as its iterator_category, even though it satisfies the C++20
> | std::forward_iterator concept. This means that the traditional
> | ... 41 lines of the commit log omitted.
>
> Produces 2 regressions:
> |
> | regressions.sum:
> | Running g++:g++.dg/dg.exp ...
> | FAIL: g++.dg/tree-ssa/initlist-opt1.C -std=c++26 scan-tree-dump gimple
> "_M_range_initialize<const char\\* const\\*>"
> | FAIL: g++.dg/tree-ssa/initlist-opt2.C -std=c++26 scan-tree-dump gimple
> "_M_range_initialize<const char\\* const\\*>"
>
> Used configuration :
> *CI config* tcwg_gcc_check master-aarch64
> *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu
>
> We track this bug report under https://linaro.atlassian.net/browse/GNU-1548.
> Please let us know if you have a fix.
I have a fix:
--- a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt1.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt1.C
@@ -4,7 +4,7 @@
// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
// Test that we do range-initialization from const char *.
-// { dg-final { scan-tree-dump {_M_range_initialize<const char\*
const\*>} "gimple" } }
+// { dg-final { scan-tree-dump {_M_range_initialize_n<const char\*
const\*} "gimple" } }
// { dg-final { scan-tree-dump {static const char.*72} "gimple" } }
#include <string>
>
> If you have any questions regarding this report, please ask on
> linaro-toolch...@lists.linaro.org mailing list.
>
> -----------------8<--------------------------8<--------------------------8<--------------------------
>
> The information below contains the details of the failures, and the ways to
> reproduce a debug environment:
>
> You can find the failure logs in *.log.1.xz files in
> *
> https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3491/artifact/artifacts/00-sumfiles/
> The full lists of regressions and improvements as well as configure and make
> commands are in
> *
> https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3491/artifact/artifacts/notify/
> The list of [ignored] baseline and flaky failures are in
> *
> https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3491/artifact/artifacts/sumfiles/xfails.xfail
>
> Current build :
> https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3491/artifact/artifacts
> Reference build :
> https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/3490/artifact/artifacts
>
> Instruction to reproduce the build :
> https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/e200f53a5556516ec831e6b7a34aaa0f10a4ab0a/tcwg_gcc_check/master-aarch64/reproduction_instructions.txt
>
> Full commit :
> https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=e200f53a5556516ec831e6b7a34aaa0f10a4ab0a
