Ensure cast correctly included for OpPlus compilation

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When the plus operator is used between strings in a SpEL
expression and that expression is compiled, it is
important to include a cast if computation of any of
the operands isn't obviously leaving strings on the
stack. Likewise if the stack contents are known to
be strings, a cast should not be included.

Issue: SPR-12426
(cherry picked from commit 58756b0)

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This commit is contained in:

Andy Clement

2015-11-24 22:37:53 +01:00

committed by Juergen Hoeller

parent 55494362ef

commit e410129aaf

2 changed files with 626 additions and 586 deletions

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spring-expression/src/test/java/org/springframework/expression/spel/SpelCompilationCoverageTests.java

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