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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-25 18:24:06 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-03-25 18:24:06 +0200
commitaafdd314442c903815f6fdf6072b001c25ae85c5 (patch)
tree2b299f6b553e13570478ea6b42a23d1cb3e653e9 /js/src/vm/Opcodes.h
parent05441d12b6bbc9dde268914fcfd374db61b83462 (diff)
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Bug 1357075 - Pad a nop to unwind to the scope just before a destructuring iterator close trynote
Issue #74
Diffstat (limited to 'js/src/vm/Opcodes.h')
-rw-r--r--js/src/vm/Opcodes.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/js/src/vm/Opcodes.h b/js/src/vm/Opcodes.h
index 3848445ff..4b044c8d8 100644
--- a/js/src/vm/Opcodes.h
+++ b/js/src/vm/Opcodes.h
@@ -2211,7 +2211,16 @@
* Stack: result => result, callable
*/ \
macro(JSOP_CHECKISCALLABLE, 219, "checkiscallable", NULL, 2, 1, 1, JOF_UINT8) \
- macro(JSOP_UNUSED220, 220,"unused220", NULL, 1, 0, 0, JOF_BYTE) \
+ \
+ /*
+ * No-op used by the exception unwinder to determine the correct
+ * environment to unwind to when performing IteratorClose due to
+ * destructuring.
+ * Category: Other
+ * Operands:
+ * Stack: =>
+ */ \
+ macro(JSOP_TRY_DESTRUCTURING_ITERCLOSE, 220, "try-destructuring-iterclose", NULL, 1, 0, 0, JOF_BYTE) \
macro(JSOP_UNUSED221, 221,"unused221", NULL, 1, 0, 0, JOF_BYTE) \
macro(JSOP_UNUSED222, 222,"unused222", NULL, 1, 0, 0, JOF_BYTE) \
macro(JSOP_UNUSED223, 223,"unused223", NULL, 1, 0, 0, JOF_BYTE) \