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isl 0.26 C++17 issues when bootstrapping with GCC

Hi, I tried adding isl 0.26 to a 13.2 GCC build using Iain's macOS aarch64 patches: https://github.com/iains/gcc-13-branch It seems that the bootstrap's `CXX='g++ -std=c++11'` confuses isl's build where C++17 is expected to work by disabling C++17 behind its back. Should GCC not add this fla

Re: isl 0.26 C++17 issues when bootstrapping with GCC

> Am 29.08.2023 um 16:30 schrieb Ben Boeckel via Gcc : > > Hi, > > I tried adding isl 0.26 to a 13.2 GCC build using Iain's macOS aarch64 > patches: > >https://github.com/iains/gcc-13-branch > > It seems that the bootstrap's `CXX='g++ -std=c++11'` confuses isl's > build where C++17 is e

[PATCH] analyzer: implement reference count checking for CPython plugin [PR107646]

Additionally, by using the old model and the pointer per your suggestion, we are able to find the representative tree and emit a more accurate diagnostic! rc3.c:23:10: warning: expected ‘item’ to have reference count: ‘1’ but ob_refcnt field is: ‘2’ 23 | return list; | ^~~~

Re: [PATCH] analyzer: implement reference count checking for CPython plugin [PR107646]

On Tue, 2023-08-29 at 00:31 -0400, Eric Feng wrote: > Hi Dave, Hi Eric. Thanks for the updated patch. A few nits below; this is OK for trunk with them fixed... [...snip...] > > gcc/analyzer/ChangeLog: > PR analyzer/107646 > * engine.cc (impl_region_model_context::warn): New optional p

Re: [PATCH] analyzer: implement reference count checking for CPython plugin [PR107646]

On Tue, 2023-08-29 at 13:28 -0400, Eric Feng wrote: > Additionally, by using the old model and the pointer per your > suggestion, > we are able to find the representative tree and emit a more accurate > diagnostic! > > rc3.c:23:10: warning: expected ‘item’ to have reference count: ‘1’ > but ob_ref

Re: analyzer: Weekly update on extending C++ support (3)

On Sat, 2023-08-26 at 16:44 +0200, Benjamin Priour wrote: > Hi David, > > Sorry I missed out on your answer about the operator new patch on the > IRC. > Should I submit the first bit of the operator new patch ? Putting > aside for > now fixing the > "uninitialized value" that accompanies "null der

Re: analyzer: Weekly update on extending C++ support (3)

On Mon, 2023-08-28 at 17:13 +0200, Benjamin Priour wrote: > Hi, > > Test gcc.dg/analyzer/pr94362-1.c actually has an additional > null_deref > > warning in C++, which is not affected by exceptions > > or optimizations. I will keep updated on that one. Note that no > > warnings > > are emitted for

Re: isl 0.26 C++17 issues when bootstrapping with GCC

On Tue, Aug 29, 2023 at 18:57:37 +0200, Richard Biener wrote: > I suppose for bootstrapping we could disable ISL during stage1 since > it enables an optional feature only. Other than that GCC only > requires a C++11 compiler for building, so ISL breaks that constraint > with requiring C++17. Note

vect_recog_mixed_size_cond_pattern dead code now

Hi, I was reading some code in tree-vect-patterns.cc and I came across vect_recog_mixed_size_cond_pattern . The code tries to handle comparisons from COND_EXPR but that cannot happen any more (after r13-707-g68e0063397ba82). Should this code be removed now? Thanks, Andrew