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6920293: OptimizeStringConcat causing core dumps

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2010-02-05 11:07:40 -08:00
parent 22ce62f2d1
commit c1be36be1b
4 changed files with 19 additions and 11 deletions
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9
hotspot/src/share/vm/runtime/sharedRuntime.cpp
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@ -607,7 +607,9 @@ address SharedRuntime::continuation_for_implicit_exception(JavaThread* thread,
_implicit_null_throws++;
#endif
target_pc = nm->continuation_for_implicit_exception(pc);
guarantee(target_pc != 0, "must have a continuation point");
// If there's an unexpected fault, target_pc might be NULL,
// in which case we want to fall through into the normal
// error handling code.
}
break; // fall through
@ -621,14 +623,15 @@ address SharedRuntime::continuation_for_implicit_exception(JavaThread* thread,
_implicit_div0_throws++;
#endif
target_pc = nm->continuation_for_implicit_exception(pc);
guarantee(target_pc != 0, "must have a continuation point");
// If there's an unexpected fault, target_pc might be NULL,
// in which case we want to fall through into the normal
// error handling code.
break; // fall through
}
default: ShouldNotReachHere();
}
guarantee(target_pc != NULL, "must have computed destination PC for implicit exception");
assert(exception_kind == IMPLICIT_NULL || exception_kind == IMPLICIT_DIVIDE_BY_ZERO, "wrong implicit exception kind");
// for AbortVMOnException flag