Make unconstify and unvolatize use StaticAssertVariableIsOfTypeMacro

Peter Eisentraut <peter@eisentraut.org>

Commit: 258248d0bdbf1b1818e2c6a157b17227fd000d76
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2026-03-06T09:14:32Z
Make unconstify and unvolatize use StaticAssertVariableIsOfTypeMacro

The unconstify and unvolatize macros had an almost identical assertion
as was already defined in StaticAssertVariableIsOfTypeMacro, only it
had a less useful error message and didn't have a sizeof fallback.

Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://www.postgresql.org/message-id/flat/CAGECzQR21OnnKiZO_1rLWO0-16kg1JBxnVq-wymYW0-_1cUNtg@mail.gmail.com

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PathChange+/−
src/include/c.h modified +3 −10

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