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debug/102507: ICE in btf_finalize when compiling with -gbtf 

Fix the free up of btf_var_ids hash_map in btf_finalize ().

gcc/ChangeLog:

	PR debug/102507
	* btfout.c (GTY): Add GTY (()) albeit for cosmetic only purpose.
	(btf_finalize): Empty the hash_map btf_var_ids.
This commit is contained in:
Indu Bhagat 2021-09-29 13:25:39 -07:00
parent cd5448f6c5
commit d6a87d96d7
1 changed files with 4 additions and 4 deletions
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8
gcc/btfout.c
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@ -70,7 +70,7 @@ static char btf_info_section_label[MAX_BTF_LABEL_BYTES];
converted to BTF_KIND_VAR type records. Strictly accounts for the index
from the start of the variable type entries, does not include the number
of types emitted prior to the variable records. */
static hash_map <ctf_dvdef_ref, unsigned int> *btf_var_ids;
static GTY (()) hash_map <ctf_dvdef_ref, unsigned> *btf_var_ids;
/* Mapping of type IDs from original CTF ID to BTF ID. Types do not map
1-to-1 from CTF to BTF. To avoid polluting the CTF container when updating
@ -1119,12 +1119,12 @@ btf_finalize (void)
funcs = NULL;
btf_var_ids->empty ();
btf_var_ids = NULL;
free (btf_id_map);
btf_id_map = NULL;
ggc_free (btf_var_ids);
btf_var_ids = NULL;
ctf_container_ref tu_ctfc = ctf_get_tu_ctfc ();
ctfc_delete_container (tu_ctfc);
tu_ctfc = NULL;