Merge pull request #8878 from dotty-staging/add-macro-regression-test

Add regression test

Author: liufengyun

tests/pos-macros/f64Pow5Split/Lib.scala

@@ -0,0 +1,2 @@
+
+private final val f64Pow5Split: Array[Long] = Macro.f64Pow5Split

tests/pos-macros/f64Pow5Split/Macro.scala

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+import scala.quoted._
+
+object Macro {
+
+  inline def f64Pow5Split: Array[Long] = ${ f64Pow5SplitExpr }
+  private def f64Pow5SplitExpr(using QuoteContext): Expr[Array[Long]] = Expr {
+    val ss = new Array[Long](652)
+    var pow5 = BigInt(1)
+    var i = 0
+    while (i < 652) {
+      ss(i) = (pow5 >> (pow5.bitLength - 121)).longValue & 0x3FFFFFFFFFFFFFFFL
+      ss(i + 1) = (pow5 >> (pow5.bitLength - 59)).longValue & 0x3FFFFFFFFFFFFFFFL
+      pow5 *= 5
+      i += 2
+    }
+    ss
+  }
+
+}