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  1. JDK
  2. JDK-8177454

cannot run stream.reduce(U var1, BiFunction<U, ? super T, U> var2, BinaryOperator<U> var3);

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    • generic

      FULL PRODUCT VERSION :


      ADDITIONAL OS VERSION INFORMATION :
      Linux xiaoweilin 3.13.0-53-generic #89-Ubuntu SMP Wed May 20 10:34:39 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

      A DESCRIPTION OF THE PROBLEM :
      program as below
      public class Test1 {
      private static final Logger log = LoggerFactory.getLogger(Test1.class);

      private static class XX {

      }
      public static void main (String[] args) {
      List<XX> l = new ArrayList<>();
      for (int i = 0; i < 5; ++i) {
      l.add(new XX());
      }
      System.out.println(l.stream().reduce(0, (s, u) -> s + 1, (s1, s2) -> s1 + s2));
      }
      }


      and got error when compiling

      Information:java: An exception has occurred in the compiler (1.8.0_45-internal). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
      Information:java: at com.sun.tools.javac.util.Assert.check(Assert.java:94)
      Information:java: at com.sun.tools.javac.comp.DeferredAttr$DeferredAttrNode.process(DeferredAttr.java:591)
      Information:java: at com.sun.tools.javac.comp.DeferredAttr$DeferredAttrContext.complete(DeferredAttr.java:479)
      Information:java: at com.sun.tools.javac.comp.Infer.instantiateMethod(Infer.java:182)
      Information:java: at com.sun.tools.javac.comp.Resolve.rawInstantiate(Resolve.java:567)
      Information:java: at com.sun.tools.javac.comp.Resolve.checkMethod(Resolve.java:604)
      Information:java: at com.sun.tools.javac.comp.Attr.checkMethod(Attr.java:3797)
      Information:java: at com.sun.tools.javac.comp.Attr.checkIdInternal(Attr.java:3584)
      Information:java: at com.sun.tools.javac.comp.Attr.checkMethodIdInternal(Attr.java:3491)
      Information:java: at com.sun.tools.javac.comp.Attr.checkMethodId(Attr.java:3470)
      Information:java: at com.sun.tools.javac.comp.Attr.checkId(Attr.java:3457)
      Information:java: at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3339)
      Information:java: at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1897)
      Information:java: at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:566)
      Information:java: at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1806)
      Information:java: at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
      Information:java: at com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:386)
      Information:java: at com.sun.tools.javac.comp.DeferredAttr$2.complete(DeferredAttr.java:279)
      Information:java: at com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:245)
      Information:java: at com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:232)
      Information:java: at com.sun.tools.javac.comp.Resolve$MethodResultInfo.check(Resolve.java:1003)
      Information:java: at com.sun.tools.javac.comp.Resolve$4.checkArg(Resolve.java:829)
      Information:java: at com.sun.tools.javac.comp.Resolve$AbstractMethodCheck.argumentsAcceptable(Resolve.java:734)
      Information:java: at com.sun.tools.javac.comp.Resolve$4.argumentsAcceptable(Resolve.java:838)
      Information:java: at com.sun.tools.javac.comp.Resolve.rawInstantiate(Resolve.java:579)
      Information:java: at com.sun.tools.javac.comp.Resolve.selectBest(Resolve.java:1441)
      Information:java: at com.sun.tools.javac.comp.Resolve.findMethodInScope(Resolve.java:1628)
      Information:java: at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1699)
      Information:java: at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1672)
      Information:java: at com.sun.tools.javac.comp.Resolve$9.doLookup(Resolve.java:2425)
      Information:java: at com.sun.tools.javac.comp.Resolve$BasicLookupHelper.lookup(Resolve.java:3084)
      Information:java: at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3335)
      Information:java: at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2422)
      Information:java: at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2416)
      Information:java: at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3364)
      Information:java: at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3246)
      Information:java: at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:615)
      Information:java: at com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1574)
      Information:java: at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1296)
      Information:java: at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:635)
      Information:java: at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:651)
      Information:java: at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1105)
      Information:java: at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909)
      Information:java: at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:994)
      Information:java: at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:778)
      Information:java: at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4330)
      Information:java: at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4240)
      Information:java: at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4169)
      Information:java: at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4144)
      Information:java: at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1248)
      Information:java: at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
      Information:java: at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
      Information:java: at com.sun.tools.javac.main.Main.compile(Main.java:523)
      Information:java: at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129)
      Information:java: at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138)
      Information:java: at org.jetbrains.jps.javac.JavacMain.compile(JavacMain.java:180)
      Information:java: at org.jetbrains.jps.incremental.java.JavaBuilder.compileJava(JavaBuilder.java:463)
      Information:java: at org.jetbrains.jps.incremental.java.JavaBuilder.compile(JavaBuilder.java:319)
      Information:java: at org.jetbrains.jps.incremental.java.JavaBuilder.doBuild(JavaBuilder.java:231)
      Information:java: at org.jetbrains.jps.incremental.java.JavaBuilder.build(JavaBuilder.java:193)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.runModuleLevelBuilders(IncProjectBuilder.java:1282)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.runBuildersForChunk(IncProjectBuilder.java:956)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.buildTargetsChunk(IncProjectBuilder.java:1028)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.buildChunkIfAffected(IncProjectBuilder.java:915)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.buildChunks(IncProjectBuilder.java:741)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.runBuild(IncProjectBuilder.java:387)
      Information:java: at org.jetbrains.jps.incremental.IncProjectBuilder.build(IncProjectBuilder.java:195)
      Information:java: at org.jetbrains.jps.cmdline.BuildRunner.runBuild(BuildRunner.java:138)
      Information:java: at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:295)
      Information:java: at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:125)
      Information:java: at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler$1.run(BuildMain.java:238)
      Information:java: at org.jetbrains.jps.service.impl.SharedThreadPoolImpl$1.run(SharedThreadPoolImpl.java:44)
      Information:java: at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      Information:java: at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      Information:java: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      Information:java: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      Information:java: at java.lang.Thread.run(Thread.java:745)
      Information:java: Errors occurred while compiling module 'test1'
      Information:javac 1.8.0_45-internal was used to compile java sources
      Information:17-3-23 下午5:45 - Compilation completed with 2 errors and 0 warnings in 1s 916ms
      Error:java: java.lang.AssertionError: attribution shouldn't be happening here
      Error:java: at com.sun.tools.javac.util.Assert.error(Assert.java:133)


      REPRODUCIBILITY :
      This bug can be reproduced always.

            fmatte Fairoz Matte
            webbuggrp Webbug Group
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              Created:
              Updated:
              Resolved: