Brian Foley dac15a10ac awk: Guard pointer chasing when parsing ternary expressions.
Avoids an uninit pointer deref for some malformed ternary exprs.

Add a test that would crash in busybox before this fix.

Signed-off-by: Brian Foley <bpfoley@google.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-01-21 12:55:49 +01:00
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