A new IOS hard crash has appeared. I reproduced this by building from the
sources on my mac. It's going to be really
hard to extract a small test case without some clue what features of the
java sources are triggering the problem. Note
that this is not recently changed code, and previous builds worked fine.
Here's the .m code that is crashing. The crash is at the
"check_array_acccess" near the bottom, the error
in the IOS simulator is EXC_BAD_ACCESS code-1 address = 0x36.
My working hypothesis would be that some recently tweaked optimization
has resulted in a mismanaged stack.
JAVA_VOID
> online_game_gBoard_SetBoardCell___char_int_online_game_cell(CODENAME_ONE_THREAD_STATE,
>
> JAVA_OBJECT __cn1ThisObject, JAVA_CHAR __cn1Arg1, JAVA_INT __cn1Arg2,
> JAVA_OBJECT __cn1Arg3) {
> JAVA_INT ilocals_5_; /* v5 */
> JAVA_INT ilocals_4_; /* v4 */
> JAVA_INT ilocals_7_; /* v7 */
> JAVA_INT ilocals_6_; /* v6 */
> DEFINE_INSTANCE_METHOD_STACK(6, 8, 0, 11210, 11226);
> locals[0].data.o = __cn1ThisObject; locals[0].type =
> CN1_TYPE_OBJECT; JAVA_INT ilocals_1_ = __cn1Arg1;
> JAVA_INT ilocals_2_ = __cn1Arg2;
> locals[3].data.o = __cn1Arg3;
> locals[3].type = CN1_TYPE_OBJECT;
> BC_ALOAD(0);
> /* CustomInvoke */{ JAVA_INT tmpResult =
> virtual_online_game_gBoard_BCtoYindex___char_int_R_int(threadStateData,
> SP[-1].data.o, ilocals_1_, ilocals_2_);
> SP[-1].data.i = tmpResult; SP[-1].type = CN1_TYPE_INT; }
> BC_ISTORE(4);
> BC_ALOAD(0);
> /* CustomInvoke */{ JAVA_INT tmpResult =
> virtual_online_game_gBoard_BCtoXindex___char_int_R_int(threadStateData,
> SP[-1].data.o, ilocals_1_, ilocals_2_);
> SP[-1].data.i = tmpResult; SP[-1].type = CN1_TYPE_INT; }
> BC_ISTORE(5);
> BC_ALOAD(0);
> /* CustomInvoke */{ JAVA_INT tmpResult =
> virtual_online_game_gBoard_XindexToBC___int_int_R_char(threadStateData,
> SP[-1].data.o, ilocals_5_, ilocals_4_);
> SP[-1].data.i = tmpResult; SP[-1].type = CN1_TYPE_INT; }
> BC_ISTORE(6);
> BC_ALOAD(0);
> /* CustomInvoke */{ JAVA_INT tmpResult =
> virtual_online_game_gBoard_YindexToBC___int_int_R_int(threadStateData,
> SP[-1].data.o, ilocals_5_, ilocals_4_);
> SP[-1].data.i = tmpResult; SP[-1].type = CN1_TYPE_INT; }
> BC_ISTORE(7);
> if ( ilocals_6_!= ilocals_1_) /* IF_ICMPNE CustomJump */ goto
> label_L1749010499;
> if ( ilocals_7_!= ilocals_2_) /* IF_ICMPNE CustomJump */ goto
> label_L1749010499;
> PUSH_INT(1); /* ICONST_1 */
> goto label_L863296557;
>
> label_L1749010499:
> PUSH_INT(0); /* ICONST_0 */
>
> label_L863296557:
> /* LDC: '%s,%s encodes correctly'*/
> PUSH_POINTER(STRING_FROM_CONSTANT_POOL_OFFSET(11227));
> PUSH_INT(2); /* ICONST_2 */
> SP--;
> PUSH_POINTER(__NEW_ARRAY_java_lang_Object(threadStateData,
> SP[0].data.i));
> BC_DUP(); /* DUP */
> PUSH_INT(0); /* ICONST_0 */
> /* CustomInvoke
> */PUSH_OBJ(java_lang_Character_valueOf___char_R_java_lang_Character(threadStateData,
>
> ilocals_1_));
> CHECK_ARRAY_ACCESS(3, SP[-2].data.i); { /* BC_AASTORE */
> JAVA_OBJECT aastoreTmp = SP[-3].data.o;
> ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)aastoreTmp).data)[SP[-2].data.i] =
> SP[-1].data.o;
> SP -= 3; }
> BC_DUP(); /* DUP */
> PUSH_INT(1); /* ICONST_1 */
> /* CustomInvoke
> */PUSH_OBJ(java_lang_Integer_valueOf___int_R_java_lang_Integer(threadStateData,
>
> ilocals_2_));
> CHECK_ARRAY_ACCESS(3, SP[-2].data.i); { /* BC_AASTORE */
> JAVA_OBJECT aastoreTmp = SP[-3].data.o;
> ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)aastoreTmp).data)[SP[-2].data.i] =
> SP[-1].data.o;
> SP -= 3; }
> { JAVA_INT tmpResult =
> lib_G_Assert___boolean_java_lang_String_java_lang_Object_1ARRAY_R_boolean(threadStateData,
>
> SP[-3].data.i, SP[-2].data.o, SP[-1].data.o);
> SP-=2;
> SP[-1].data.i = tmpResult; SP[-1].type = CN1_TYPE_INT; }
> SP--; /* POP */
> PUSH_POINTER(get_field_online_game_gBoard_board(__cn1ThisObject));
> (*SP).type = CN1_TYPE_INT; /* ILOAD */
> (*SP).data.i = ilocals_5_;
> SP++;
> CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* AALOAD */
> SP--; SP[-1].type = CN1_TYPE_INVALID;
> SP[-1].data.o = ((JAVA_ARRAY_OBJECT*)
> (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i];
> SP[-1].type = CN1_TYPE_OBJECT;
> (*SP).type = CN1_TYPE_INT; /* ILOAD */
> (*SP).data.i = ilocals_4_;
> SP++;
> BC_ALOAD(3);
> CHECK_ARRAY_ACCESS(3, SP[-2].data.i); { /* BC_AASTORE */
> JAVA_OBJECT aastoreTmp = SP[-3].data.o;
> ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)aastoreTmp).data)[SP[-2].data.i] =
> SP[-1].data.o;
> SP -= 3; }
> releaseForReturn(threadStateData, cn1LocalsBeginInThread);
> return;
> }
>
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