Cary Coutant
b7a4e9d8e6
In order to get around the optimizer and newer compiler warnings about shift counts, the overflow checking code had resorted to some messy shifting, and with the never-before-seen instantiations of the template functions, we were still running afoul of the compiler checks. This patch replaces those messy shift sequences with a simple class template that provides the min and max limits for any bit size up to 64, with a specialization for 64 that prevents the compiler from complaining. gold/ PR gold/19577 * reloc.h (Limits): New class. (Bits::has_overflow32): Use min/max values from Limits. (Bits::has_unsigned_overflow32): Likewise. (Bits::has_signed_unsigned_overflow32): Likewise. (Bits::has_overflow): Likewise. (Bits::has_unsigned_overflow): Likewise. (Bits::has_signed_unsigned_overflow64): Likewise.
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