[Issue 18148] New: Integral Promotion Fix For 16997 Should Not Issue Deprecation, Not A Warning

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18148

          Issue ID: 18148
           Summary: Integral Promotion Fix For 16997 Should Not Issue
                    Deprecation, Not A Warning
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: critical
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: jack at jackstouffer.com

We've had this discussion before on the forums but I think it needs to be
restated:

Using a warning as part of the deprecation cycle is a poor choice because the
majority of build setups (including DUB) have "warnings as errors" set by
default (this is the sensible thing to do). This means that you're breaking
people's code on step one of the cycle.

Instead, this should issue a deprecation message, then a warning, then an
error.

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