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Issue error on erroneous expression

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A while back I discovered that this does not issue an error:

    (gdb) p $x = (void * ) 57
    $3 = (void *) 0x39
    (gdb) p $x + 7 = 3
    $6 = (void *) 0x3

This patch fixes the bug.
Regression tested on x86-64 Fedora 36.

Reviewed-By: Bruno Larsen <blarsen@redhat.com>
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=19312
This commit is contained in:
Tom Tromey 2023-02-17 19:55:50 -05:00
parent 4c9066e322
commit 3592bebbbf
2 changed files with 9 additions and 1 deletions
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2
gdb/valarith.c
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@ -93,7 +93,7 @@ value_ptradd (struct value *arg1, LONGEST arg2)
result = value_from_pointer (valptrtype,
value_as_address (arg1) + sz * arg2);
if (result->lval () != lval_internalvar)
if (arg1->lval () != lval_internalvar)
result->set_component_location (arg1);
return result;
}