fix/fuzz: output int32(v)/rune(q) in failing log #58827
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When fuzz testing outputs failing input into testdata/<log>, it needs to marshal the input, In go, int32 and rune are the same datatype, so it cannot differentiate the two types in typeswitch. Before, when the data is a valid unicode point, it will outputs `rune(%q)` in the log, but the real datatype maybe a int32. In this case, we have to query the ASCII or unicode table to get the int32 value. It's inconvenient. So, here we output `int32(%v)/rune(%q)` to solve this. close golang#58824
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When fuzz testing outputs failing input into testdata/, it needs to
marshal the input, In go, int32 and rune are the same datatype, so it
cannot differentiate the two types in typeswitch.
Before, when the data is a valid unicode point, it will outputs rune(%q)
in the log, but the real datatype maybe a int32. In this case, we have
to query the ASCII or unicode table to get the int32 value. It's
inconvenient.
So, here we output int32(%v)/rune(%q) to solve this.
Fixes #58824.