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Fix interaction of (local) labels and stmt exprs

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as per testcase.  We must not reset token.sym_label twice with
kept symbols.  This is no problem for non-label symbols because those
aren't generated on demand when mentioning them.
This commit is contained in:
Michael Matz
2020-04-14 22:35:58 +02:00
parent 6696da2f61
commit 096c93c0c6
3 changed files with 22 additions and 1 deletions
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5
tccpp.c
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@@ -1402,9 +1402,12 @@ ST_FUNC void label_pop(Sym **ptop, Sym *slast, int keep)
}
}
/* remove label */
table_ident[s->v - TOK_IDENT]->sym_label = s->prev_tok;
if (s->r != LABEL_GONE)
table_ident[s->v - TOK_IDENT]->sym_label = s->prev_tok;
if (!keep)
sym_free(s);
else
s->r = LABEL_GONE;
}
if (!keep)
*ptop = slast;