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Re: [PATCH] PR rtl-optimization/61047
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Bernd Edlinger <bernd dot edlinger at hotmail dot de>
- Cc: gcc-patches at gcc dot gnu dot org, Richard Biener <richard dot guenther at gmail dot com>
- Date: Thu, 12 Jun 2014 10:50:29 +0200
- Subject: Re: [PATCH] PR rtl-optimization/61047
- Authentication-results: sourceware.org; auth=none
- References: <DUB118-W3201F6729F0278EC93FDB0E42B0 at phx dot gbl> <30539680 dot 2CJyls3tRN at polaris> <DUB118-W179F6C75EFB634DAC3A373E42A0 at phx dot gbl>
> Btw I am not sure at all, why argp-references can never be dangerous?
> For instance in a struct with an array inside, passed as function argument?
IMO there cannot be any definitive solution to this issue until after we move
all the affected optimizations from RTL to GIMPLE. In the meantime, the
failure mode is not catastrophic (100% reproducible segfault) and there is
always an easy workaround (generally a -fno-* switch).
--
Eric Botcazou