[Bug tree-optimization/123117] [16 Regression] LoongArch: wrong code at -O1/O2/O3

[xry111 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123117

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|needs-bisection             |

--- Comment #8 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
283eb27d5f674b6fb11d8640495993e2ec693608 is the first bad commit
commit 283eb27d5f674b6fb11d8640495993e2ec693608
Author: Robin Dapp <rdapp@ventanamicro.com>
Date:   Sun Nov 16 18:42:04 2025 +0100

    forwprop: Allow nop conversions for vector constructor.