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6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String

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Ldc seems to load an empty String and that leads to an assert on offset < length, which are both zero.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2009-08-27 06:17:23 -07:00
parent 15d404c6c6
commit b357ca3ad1
1 changed files with 2 additions and 2 deletions
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4
hotspot/src/share/vm/classfile/javaClasses.cpp
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@ -252,7 +252,7 @@ symbolHandle java_lang_String::as_symbol(Handle java_string, TRAPS) {
typeArrayOop value = java_lang_String::value(obj);
int offset = java_lang_String::offset(obj);
int length = java_lang_String::length(obj);
jchar* base = value->char_at_addr(offset);
jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
symbolOop sym = SymbolTable::lookup_unicode(base, length, THREAD);
return symbolHandle(THREAD, sym);
}
@ -261,7 +261,7 @@ symbolOop java_lang_String::as_symbol_or_null(oop java_string) {
typeArrayOop value = java_lang_String::value(java_string);
int offset = java_lang_String::offset(java_string);
int length = java_lang_String::length(java_string);
jchar* base = value->char_at_addr(offset);
jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
return SymbolTable::probe_unicode(base, length);
}