Unknown entities in the preprocessor conditionals #9605
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With e.g. the bash package we get warnings like: ``` y.tab.c:728: warning: preprocessing issue while doing constant expression evaluation: syntax error: input=' (! 0L && 0L && 0L<= (( 0L) (! (! (( 0L) 0 < ( 0L) -1)) ? ( 0L) -1 : (((( 0L) 1 << ((0L * 8 ) - 2)) - 1) * 2 + 1))) )' ``` note e.g. the `(0L)0` investigation lead to the fact that this is due to a construct with `(int)` i.e. a type cast. Further investigation lead to the possibility of `sizeof(int)` that was not recognized. - type casts of basic types are ignored - sizeof basic types are inserted into the condition
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@albert-github I've changed the implementation a bit to avoid code duplication and elaborate expressions, see 70473b4. Let me know if you see issues with it. |
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- compilation on github - a missing tests, were also not in my original code - shadowed variable
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I found some issues:
I've just pushed a proposed patch, pull request #9614 |
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- forgot the `long double`
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…ssor PR #9605 different fixes
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Code for the problems as mentioned in #9605 (comment) has been integrated in master on GitHub (PR #9614) |
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With e.g. the bash package we get warnings like:
note e.g. the
(0L)0investigation lead to the fact that this is due to a construct with(int)i.e. a type cast.Further investigation lead to the possibility of
sizeof(int)that was not recognized.Example: example.tar.gz
(found by Fossies for the bash package)