Update CHANGELOG and small fix in RandFunctionsNodes

Author: steve-s

CHANGELOG.md

@@ -20,6 +20,9 @@ Added missing R builtins and C APIs:
 * define dummy `XLENGTH` macro if `USE_RINTERNALS` is defined
   * non-existence of this macro is used by some packages to detect old R versions
 * `IS_LONG_VEC` C API function
+* when loading native symbol dynamically, FastR also checks the name with trailing underscode to be compatible with GNU-R
+
+# 20.2.0
 
 Bug fixes:
 
@@ -29,7 +32,6 @@ Bug fixes:
 Added missing R builtins and C APIs
 
 * Dummy implementations of `X_IS_SORTED` and `X_NO_NA` for `X = STRING,INTEGER,REAL` #156
-* when loading native symbol dynamically, FastR also checks the name with trailing underscode to be compatible with GNU-R
 
 # 20.1.0
 

com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/RandFunctionsNodes.java

@@ -94,7 +94,7 @@ private RandFunctionsNodes() {
     protected abstract static class ConvertToLength extends Node {
         public abstract int execute(RAbstractVector value);
 
-        @Specialization(guards = "dataLib.getLength(vector) == 1")
+        @Specialization(guards = "dataLib.getLength(vector.getData()) == 1")
         public int lengthOne(RAbstractVector vector,
                         @Cached("createNonPreserving()") CastIntegerNode castNode,
                         @CachedLibrary(limit = "getCacheSize(2)") VectorDataLibrary dataLib,
@@ -108,7 +108,7 @@ public int lengthOne(RAbstractVector vector,
             return result;
         }
 
-        @Specialization(guards = "dataLib.getLength(vector) != 1", limit = "getVectorAccessCacheSize()")
+        @Specialization(guards = "dataLib.getLength(vector.getData()) != 1", limit = "getVectorAccessCacheSize()")
         public int notSingle(RAbstractVector vector,
                         @CachedLibrary("vector.getData()") VectorDataLibrary dataLib) {
             return dataLib.getLength(vector.getData());