Re: Trivial program size inflation

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Tue, Jul 04, 2023 at 12:31:33PM +0000, RVP wrote:
> On Tue, 4 Jul 2023, RVP wrote:
> 
> > I think lld(1) does things differently. I'll check this later...
> > 
> 
> And I was right! On Linux (what I have at hand now):
> 
> ```
> $ clang -fuse-ld=lld -Wl,-Map=map.txt -static -s -o foo foo.c -L. -lmm
> 
> $ fgrep -A3 ./libmm.a map.txt
> [...]
> --
>           224c30           224c30       13     1         ./libmm.a(calloc.o):(.text)
>           224c30           224c30       13     1                 calloc
>           224c50           224c50      ac3    16         /lib/x86_64-linux-gnu/libc.a(libc-start.o):(.text)
>           224c50           224c50      398     1                 get_common_indices.constprop.1
> --
>           225f71           225f71       2d     1         ./libmm.a(malloc.o):(.text)
>           225f71           225f71        f     1                 malloc
>           225f80           225f80       13     1                 realloc
>           225f93           225f93        b     1                 free
> --
> [...]
> ```
> 
> This is what I had expected from GNU ld(1) also...

lld and gold behave like an implicit group around all libraries.

Joerg