GDTEST_OK
~~ WARNING at line 4: (CONFUSABLE_LOCAL_USAGE) The identifier "a" will be shadowed below in the block.
~~ WARNING at line 5: (CONFUSABLE_LOCAL_USAGE) The identifier "a" will be shadowed below in the block.
~~ WARNING at line 5: (SHADOWED_VARIABLE) The local variable "a" is shadowing an already-declared variable at line 1 in the current class.
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