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| author | Miss Skeleton (bot) <31488909+miss-islington@users.noreply.github.com> | 2019-10-30 12:11:41 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-30 12:11:41 (GMT) |
| commit | dcb338ea1b8f14e21dde3564658b9040df996349 (patch) | |
| tree | a3c04f15cb777676c5bfc139c59bc79ade604c76 /Python | |
| parent | 1d2862a323ae1387e306942253b1e487018e2b7f (diff) | |
| download | cpython-dcb338ea1b8f14e21dde3564658b9040df996349.zip cpython-dcb338ea1b8f14e21dde3564658b9040df996349.tar.gz cpython-dcb338ea1b8f14e21dde3564658b9040df996349.tar.bz2 | |
bpo-38640: Allow break and continue in always false while loops (GH-16992)
(cherry picked from commit 6c3e66a34b95fff07df0ad5086104dd637a091ce)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/compile.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Python/compile.c b/Python/compile.c index a512e9c..f09e99f 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -2736,7 +2736,15 @@ compiler_while(struct compiler *c, stmt_ty s) if (constant == 0) { BEGIN_DO_NOT_EMIT_BYTECODE + // Push a dummy block so the VISIT_SEQ knows that we are + // inside a while loop so it can correctly evaluate syntax + // errors. + if (!compiler_push_fblock(c, WHILE_LOOP, NULL, NULL)) { + return 0; + } VISIT_SEQ(c, stmt, s->v.While.body); + // Remove the dummy block now that is not needed. + compiler_pop_fblock(c, WHILE_LOOP, NULL); END_DO_NOT_EMIT_BYTECODE if (s->v.While.orelse) { VISIT_SEQ(c, stmt, s->v.While.orelse); |