We're having a discussion. Is `(x = 10) += 7;` UB or not?
Wait, (x = 10) is an lvalue?! I always thought it would return the rvalue assigned. It returns the lvalue assigned to?
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you were/are right. this is not UB but simply a syntax error. clang: "expression is not assignable" gcc: "lvalue required as left operand of assignment"
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Thank God the world makes sense again. ;)
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