skip trying to constant fold an incomplete op tree #18390
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This code would try to constant fold an op tree like
relop
+- null
+- constant
which would underflow the stack, potentially crashing perl.
This is intended as a quick fix rather than as a complete
solution.
Fixes Perl#18380
|
Also appears to fix #17917 |
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This code would try to constant fold an op tree like
relop
+- null
+- constant
which would underflow the stack, potentially crashing perl.
This is intended as a quick fix rather than as a complete
solution.
Fixes #18380