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Branches: main, 10.04 When a foreign_proc output variable of type `char' is assigned to an MR_Word variable, it must first be cast to an MR_UnsignedChar to prevent sign-extension of 8-bit character values. This was documented in mercury_string.h. Fixes bug #158. compiler/llds_out_instr.m: As above. tests/hard_coded/Mmakefile: tests/hard_coded/char_signed.exp: tests/hard_coded/char_signed.m: Add test case.
5 lines
48 B
Plaintext
5 lines
48 B
Plaintext
unify succeed
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'A' < 0xFF
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0xFF >= 'A'
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'A' < 0xFF
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