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PR c/48956 gcc/c-family/ * c-common.c (int_safely_convertible_to_real_p): Define. (unsafe_conversion_p): Check conversions involving complex types. (conversion_warning): Add new warning message for conversions which discard imaginary component. * c-common.h: (enum conversion_safety): Add new enumerator for such conversions. gcc/testsuite/ * gcc.dg/Wconversion-complex-c99.c: New test. * gcc.dg/Wconversion-complex-gnu.c: New test. From-SVN: r223223
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