RE: [r16-7383 Regression] FAIL: g++.dg/analyzer/ice-pr116228.C -std=c++98 (test for excess errors) on Linux/x86_64

> From: Jiang, Haochen <[email protected]>
> Sent: Monday, February 9, 2026 2:22 PM
> 
> On Linux/x86_64,
> 
> f3f7e7514a794f34a0db1cda63cbaa0f1eb899f5 is the first bad commit
> commit f3f7e7514a794f34a0db1cda63cbaa0f1eb899f5
> Author: David Malcolm <[email protected]>
> Date:   Sat Feb 7 10:21:00 2026 -0500
> 
>     analyzer: fix ICE on operator new with discarded result [PR116228]
> 
> caused
> 
> FAIL: g++.dg/analyzer/ice-pr116228.C  -std=c++20 (test for excess errors)
> FAIL: g++.dg/analyzer/ice-pr116228.C  -std=c++26 (test for excess errors)
> FAIL: g++.dg/analyzer/ice-pr116228.C  -std=c++98 (test for excess errors)
> 
> with GCC configured with
> 
> ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-
> bisect/master/master/r16-7383/usr --enable-clocale=gnu --with-system-zlib -
> -with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --
> enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
> 
> To reproduce:
> 
> $ cd {build_dir}/gcc && make check
> RUNTESTFLAGS="analyzer.exp=g++.dg/analyzer/ice-pr116228.C --
> target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check
> RUNTESTFLAGS="analyzer.exp=g++.dg/analyzer/ice-pr116228.C --
> target_board='unix{-m32\ -march=cascadelake}'"

Has been fixed on trunk for now according to:

https://gcc.gnu.org/pipermail/gcc-regression/2026-February/083386.html

Thx,
Haochen

> 
> (Please directly reply to this email for question about this report.)
> (If you met problems with cascadelake related, disabling AVX512F in
> command line might save that.)
> (However, please make sure that there is no potential problems with AVX512.)