Help requested, backport 8240629 to 11u + 14u

[Robert Stupp]

Hi,

backporting JDK-8240629 ("argfiles parsing broken for argfiles with comment cross 4096 bytes chunk") to 11u + 14u is trivial. The original patch from jdk/jdk (Java 15) patch file applies cleanly to current jdk-updates/jdk11u + jdk-updates/jdk14u (no changes to the patch) and tests pass locally.

https://cr.openjdk.java.net/~shade/8240629/webrev.11u.01/ <https://cr.openjdk.java.net/~shade/8240629/webrev.11u.01/> (Thanks to Aleksey Shipilev for creating it!)

I could need some help (no JBS acount) to get the patch backported to 11u + 14u.

Cheers,
Robert

References:
https://hg.openjdk.java.net/jdk/jdk/rev/79371dab85c2 <https://hg.openjdk.java.net/jdk/jdk/rev/79371dab85c2>
https://bugs.openjdk.java.net/browse/JDK-8240629 <https://bugs.openjdk.java.net/browse/JDK-8240629>

patch file exported using 'hg export -r 58311:79371dab85c2 --git > 8240629.patch' + imported into my 11u+14u clones via qimport/qpush.



11u tests:


make run-test TEST=tier1

==============================
Test summary
==============================
  TEST                                              TOTAL  PASS  FAIL  ERROR   
  jtreg:test/hotspot/jtreg:tier1                     1297  1297     0   0   
  jtreg:test/jdk:tier1                               1860  1860     0    0   
  jtreg:test/langtools:tier1                         3902  3902     0    0   
  jtreg:test/nashorn:tier1                              0     0     0    0   
  jtreg:test/jaxp:tier1                                 0     0     0    0   
==============================
TEST SUCCESS

make run-test TEST=test/jdk/tools/launcher

==============================
Test summary
==============================
  TEST                                              TOTAL  PASS  FAIL  ERROR   
  jtreg:test/jdk/tools/launcher                        56    56     0    0   
==============================
TEST SUCCESS




14u tests:

make run-test TEST=tier1

==============================
Test summary
==============================
  TEST                                              TOTAL  PASS  FAIL  ERROR   
  jtreg:test/hotspot/jtreg:tier1                     1471  1471     0   0   
  jtreg:test/jdk:tier1                               1899  1899     0    0   
  jtreg:test/langtools:tier1                         4020  4020     0    0   
  jtreg:test/nashorn:tier1                              0     0     0    0   
  jtreg:test/jaxp:tier1                                 0     0     0    0   
==============================
TEST SUCCESS

make run-test TEST=test/jdk/tools/launcher

==============================
Test summary
==============================
  TEST                                              TOTAL  PASS  FAIL ERROR   
  jtreg:test/jdk/tools/launcher                        57    57     0     0   
==============================
TEST SUCCESS