Add field-sensitivity tests #4944
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These look at various cases of struct-field assignment, directly and via pointers; only one case is identified as not using the field-sensitivity machinery so far (that of a pointer that may point to several different offsets within the same target allocation). These are added now so that forthcoming changes to field-sensitivity have a reasonably comprehensive regression test suite to check against.
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@@ Coverage Diff @@
## develop #4944 +/- ##
===========================================
+ Coverage 69.26% 69.26% +<.01%
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Files 1307 1307
Lines 108102 108089 -13
===========================================
- Hits 74881 74873 -8
+ Misses 33221 33216 -5
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✔️
Passed Diffblue compatibility checks (cbmc commit: ab6ca36).
Build URL: https://travis-ci.com/diffblue/test-gen/builds/120464194
peterschrammel
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allredj
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Jul 24, 2019
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These look at various cases of struct-field assignment, directly and via pointers; only one
case is identified as not using the field-sensitivity machinery so far (that of a pointer that
may point to several different offsets within the same target allocation).
These are added now so that forthcoming changes to field-sensitivity have a reasonably comprehensive
regression test suite to check against.