Added webrev for jdk19/40

Author: duke

jdk19/40/02-03/commits.json

@@ -0,0 +1 @@
+[{"commit":{"message":"fix comment"},"files":[{"filename":"test\/hotspot\/jtreg\/compiler\/codegen\/ShiftByZero.java"}],"sha":"583c54c085a1eb4d410dda77e221d92833ff9399"},{"commit":{"message":"Update test\/hotspot\/jtreg\/compiler\/codegen\/ShiftByZero.java\n\nCo-authored-by: Andrew Haley <[email protected]>"},"files":[{"filename":"test\/hotspot\/jtreg\/compiler\/codegen\/ShiftByZero.java"}],"sha":"bf0c97c404073a75a26eca93c36fc95f0a8ba152"}]

jdk19/40/02-03/comparison.json

@@ -0,0 +1 @@
+{"files":[{"patch":"@@ -42,0 +42,2 @@\n+        \/\/ This loop is to confuse the optimizer, so that \"shift\" is\n+        \/\/ optimized to 0 only after loop vectorization. \n","filename":"test\/hotspot\/jtreg\/compiler\/codegen\/ShiftByZero.java","additions":2,"deletions":0,"binary":false,"changes":2,"status":"modified"}]}

jdk19/40/02-03/metadata.json

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+{"head":{"repo":{"full_name":"dean-long\/jdk19","html_url":"https:\/\/github.com\/dean-long\/jdk19"},"sha":"583c54c085a1eb4d410dda77e221d92833ff9399"},"created_at":"2022-06-23T08:09:33.533117752Z","base":{"repo":{"full_name":"openjdk\/jdk19","html_url":"https:\/\/git.openjdk.org\/jdk19"},"sha":"0f927ce7b9e7d66d57de03ee71e2f18ee594195c"}}