hg: jdk9/sandbox/langtools: 8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations

[chris.hegarty at oracle.com]

Changeset: 286fc9270404
Author:    mcimadamore
Date:      2015-09-15 13:43 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/286fc9270404

8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
Summary: Add infrastructure to avoid combinatorial explosion of method argument attributions
Reviewed-by: jlahoda, vromero, dlsmith

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java
+ src/jdk.compiler/share/classes/com/sun/tools/javac/comp/ArgumentAttr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/DeferredAttr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Infer.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/InferenceContext.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Resolve.java
! test/tools/javac/generics/wildcards/neg/Readonly.out
! test/tools/javac/lambda/8019480/T8019480.out
+ test/tools/javac/lambda/speculative/InferStrict.java
+ test/tools/javac/lambda/speculative/InferWeak.java
+ test/tools/javac/lambda/speculative/NestedLambdaGenerics.java
+ test/tools/javac/lambda/speculative/NestedLambdaNoGenerics.java
+ test/tools/javac/lambda/speculative/T8055984.java
+ test/tools/javac/lambda/speculative/T8077247.java
+ test/tools/javac/lambda/speculative/T8078093.java