local patch for Java 10/11 support (ASM is way too slow)

org.jacoco.build/pom.xml

@@ -141,7 +141,7 @@
     <argLine>${jvm.args}</argLine>
 
     <!-- Dependencies versions -->
-    <asm.version>6.0</asm.version>
+    <asm.version>6.1-beta2</asm.version>
     <ant.version>1.7.1</ant.version>
     <args4j.version>2.0.28</args4j.version>
     <junit.version>4.8.2</junit.version>
@@ -666,7 +666,7 @@
             </Export-Package>
             <Import-Package>
               org.jacoco.*;version="${range;[===,==+);${Bundle-Version}}",
-              org.objectweb.asm.*;version="${range;[===,=+);${asm.version}}"
+              org.objectweb.asm.*;version="${range;[===,=+);6.1}"
             </Import-Package>
             <Bundle-RequiredExecutionEnvironment>J2SE-1.5</Bundle-RequiredExecutionEnvironment>
             <Eclipse-SourceReferences>scm:git:git://github.com/jacoco/jacoco.git;path="${project.artifactId}";commitId=${buildNumber}</Eclipse-SourceReferences>

org.jacoco.core/src/org/jacoco/core/internal/ContentTypeDetector.java

@@ -43,6 +43,8 @@ public class ContentTypeDetector {
 
 	private final int type;
 
+	private static final int V11 = 0 << 16 | 55;
+
 	/**
 	 * Creates a new detector based on the given input. To process the complete
 	 * original input afterwards use the stream returned by
@@ -83,6 +85,8 @@ private static int determineType(final InputStream in) throws IOException {
 			case Opcodes.V1_7:
 			case Opcodes.V1_8:
 			case Opcodes.V9:
+			case Opcodes.V10:
+			case V11:
 				return CLASSFILE;
 			}
 		}