#279 Shader parser says syntax error for a variable redeclaration

[Romain Behar]

Compiling the following shader, aqsl says 'syntax error':

surface test ()
{

float a[3] = {1, 2, 3};
float a[3] = {1, 2, 3};

Oi = 1;
Ci = 1;

}

[Chris Foster]

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For the record, bug 1876182 may be closely related to this one:

https://sourceforge.net/tracker/index.php?func=detail&aid=1876182&group_id=25264&atid=383970