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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug ada/28180] FAIL: gdb.ada/interface.exp: print s (timeout)
Date: Fri, 13 Aug 2021 18:42:54 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28180

--- Comment #10 from Tom Tromey <tromey at sourceware dot org> ---
(In reply to Tom de Vries from comment #4)
> This allows the test-case to pass:
> ...

I was digging through local code recently and I found out that AdaCore
has a patch that does something along these lines.
There's a function:

/* Return non-zero if STR should be suppressed in info listings.  */

static int
is_suppressed_name (const char *str)


then a macro that ends up calling that:

#define SYMBOL_PRINTING_SUPPRESSED(symbol)                              \
  (current_language->la_language =3D=3D language_ada                       =
 \
   && ada_suppress_symbol_printing (symbol))


Then iterate_over_block_locals does:

  ALL_BLOCK_SYMBOLS (b, iter, sym)
    {
      if (SYMBOL_PRINTING_SUPPRESSED (sym))
        continue;

This code dates to 2007; I don't know if it's ever been sent upstream.

I'm building gcc 8 to see if I can reproduce this.
Maybe the answer is your patch after all, or maybe upstreaming this local o=
ne.

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