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| author | Pablo Galindo <Pablogsal@gmail.com> | 2019-10-30 11:53:26 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-30 11:53:26 (GMT) |
| commit | 6c3e66a34b95fff07df0ad5086104dd637a091ce (patch) | |
| tree | 3717be95d4016c94d16cce66aa4581a7cfb14a4e /Python | |
| parent | 24c6258269acd842914450f55491690ba87dded9 (diff) | |
| download | cpython-6c3e66a34b95fff07df0ad5086104dd637a091ce.zip cpython-6c3e66a34b95fff07df0ad5086104dd637a091ce.tar.gz cpython-6c3e66a34b95fff07df0ad5086104dd637a091ce.tar.bz2 | |
bpo-38640: Allow break and continue in always false while loops (GH-16992)
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 3b2188e..f26ad3c 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -2738,7 +2738,15 @@ 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); |