forked from OSchip/llvm-project
9159675535
While testing LLVM 14.0.0 rc1 on Solaris, compilation of `FAIL`ed with
/var/llvm/llvm-14.0.0-rc1/rc1/llvm-project/mlir/lib/Analysis/Presburger/Utils.cpp: In lambda function:
/var/llvm/llvm-14.0.0-rc1/rc1/llvm-project/mlir/lib/Analysis/Presburger/Utils.cpp:48:58: error: call of overloaded ‘floor(int64_t)’ is ambiguous
48 | [gcd](int64_t &n) { return floor(n / gcd); });
| ^
...
/usr/gcc/10/lib/gcc/sparcv9-sun-solaris2.11/10.3.0/include-fixed/iso/math_iso.h:201:21:
note: candidate: ‘long double std::floor(long double)’
201 | inline long double floor(long double __X) { return __floorl(__X); }
| ^~~~~
/usr/gcc/10/lib/gcc/sparcv9-sun-solaris2.11/10.3.0/include-fixed/iso/math_iso.h:165:15:
note: candidate: ‘float std::floor(float)’
165 | inline float floor(float __X) { return __floorf(__X); }
| ^~~~~
/usr/gcc/10/lib/gcc/sparcv9-sun-solaris2.11/10.3.0/include-fixed/iso/math_iso.h:78:15:
note: candidate: ‘double std::floor(double)’
78 | extern double floor __P((double));
| ^~~~~
The same issue had already occured in the past, cf. D108750
<https://reviews.llvm.org/D108750>, and the solution is the same: cast the
`floor` arg to `double`.
Tested on `amd64-pc-solaris2.11` and `sparcv9-sun-solaris2.11`.
Differential Revision: https://reviews.llvm.org/D119324
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