Guard traversal of certain kinds of mid-optimization IfStatement
When the test expression has a side-effect, but both the true and else
blocks are empty, the optimizer moves the test out to a standalone
ExpressionStatement. Updating the usage in that situation involves
traversing an IfStatement with no test.
Bug: oss-fuzz:26666
Change-Id: I2fb4004f2401784402040345df49a7d42e4aab5e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/329960
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed