hg: code-tools/jcstress: BigDecimal/BigInteger string conversions thread safety.

[ashipile at redhat.com]

Changeset: 12d706400981
Author:    shade
Date:      2017-08-31 11:54 +0200
URL:       http://hg.openjdk.java.net/code-tools/jcstress/rev/12d706400981

BigDecimal/BigInteger string conversions thread safety.

+ tests-custom/src/main/java/org/openjdk/jcstress/tests/strings/BigDecimalString.java
+ tests-custom/src/main/java/org/openjdk/jcstress/tests/strings/BigDecimalStringLen.java
+ tests-custom/src/main/java/org/openjdk/jcstress/tests/strings/BigIntegerString.java
+ tests-custom/src/main/java/org/openjdk/jcstress/tests/strings/BigIntegerStringLen.java