revision API: call graph_clear() in release_revisions()

Call graph_clear() in release_revisions(), this will free memory
allocated by e.g. this command, which will now run without memory
leaks:

	git -P log -1 --graph --no-graph --graph

Signed-off-by: Ævar Arnfjörð Bjarmason <[email protected]>
Signed-off-by: Taylor Blau <[email protected]>

Author: avar

revision.c

@@ -3020,6 +3020,7 @@ void release_revisions(struct rev_info *revs)
 	date_mode_release(&revs->date_mode);
 	release_revisions_mailmap(revs->mailmap);
 	free_grep_patterns(&revs->grep_filter);
+	graph_clear(revs->graph);
 	/* TODO (need to handle "no_free"): diff_free(&revs->diffopt) */
 	diff_free(&revs->pruning);
 	reflog_walk_info_release(revs->reflog_info);

t/t3413-rebase-hook.sh

@@ -5,6 +5,7 @@ test_description='git rebase with its hook(s)'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t4052-stat-output.sh

@@ -8,6 +8,7 @@ test_description='test --stat output of various commands'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-terminal.sh