On 09/28/2015 08:10 AM, Robert Haas wrote:
> -1 on that idea.  I really don't think that we should categorically
> decide we don't support higher optimization levels.  If the compiler
> has a bug, then the compiler manufacturer should fix it, and it's not
> our fault.  If the compiler doesn't have a bug and our stuff is
> blowing up, then we have a bug and should fix it.  I suppose there
> could be some grey area but hopefully not too much.

Or it's PILBChAK. I know Sun-CC used to warn that -O3 was unsuitable for
most programs because it could change behavior.

Josh Berkus
PostgreSQL Experts Inc.

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