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From: Bo Persson <bo@bo-persson.se>
Newsgroups: comp.lang.c++
Subject: Re: Examples of current platforms/architectures where sizeof(void*) > sizeof(int*) ?
Date: Wed, 1 Sep 2021 21:55:21 +0200
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On 2021-09-01 at 20:34, Bonita Montero wrote:
> Am 01.09.2021 um 20:14 schrieb Juha Nieminen:
> 
>> Thus, I wouldn't be surprised if malloc() (and new) always returns
>> a block that's aligned at a very minimum to the size of a pointer.
> 
> malloc() returns a pointer which is aligned at least to max_align_t:
> https://en.cppreference.com/w/c/types/max_align_t

Not entirely correct. The allocated storage must be properly aligned for 
an object of that size.

So if smaller than a long double, it can also be less aligned.