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Fix rust_dump_subexp_body

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rust_dump_subexp_body was not correct in a couple of cases.  While
debugging the bug I was really interested in, this caused a crash.
This patch fixes the problems.  No test case because, IIRC there
generally aren't tests for expression dumping.

ChangeLog
2017-05-12  Tom Tromey  <tom@tromey.com>

	* rust-lang.c (rust_dump_subexp_body) <STRUCTOP_ANONYMOUS,
	OP_RUST_ARRAY>: Fix.
This commit is contained in:
Tom Tromey 2017-05-11 19:50:47 -06:00
parent 256afbc259
commit 68f2f2e308
2 changed files with 8 additions and 2 deletions
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5
gdb/rust-lang.c
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@ -1951,14 +1951,15 @@ rust_dump_subexp_body (struct expression *exp, struct ui_file *stream,
{
int field_number;
field_number = longest_to_int (exp->elts[elt].longconst);
field_number = longest_to_int (exp->elts[elt + 1].longconst);
fprintf_filtered (stream, "Field number: %d", field_number);
elt = dump_subexp (exp, stream, elt + 2);
elt = dump_subexp (exp, stream, elt + 3);
}
break;
case OP_RUST_ARRAY:
++elt;
break;
default: