This patch adds pragma Assert to help CodePeer static analysis and pragma Annotate to ignore Intentional or False_Positive warning. Furthermore, some minor changes were added to take into account CodePeer finding.
Tested on x86_64-pc-linux-gnu, committed on trunk gcc/ada/ * libgnat/s-carsi8.adb (Compare_Array_S8): Add pragma Assert to avoid warning concerning Left_Len and RighLen value regarding Bytes_Compared_As_Words. * libgnat/s-carun8.adb (Compare_Array_U8): Likewise. * libgnat/s-geveop.adb (Binary_Operation, Unary_Operation): Add pragma Assert concerning divide by 0 warning. * libgnat/s-imgcha.adb (Image_Character): Code update to prevent constant operation warning. (Image_Character): Add pragma Assert concerning the unchecked String size. * libgnat/s-imgdec.adb (Round): Upate loop code to prevent warning concerning Digs'First access. (Round): Add pragma assert. (Set): Add pragma Assert for the unchecked string size. (Set_Digits): Add pragma Assert for the input range. (Set_Decimal_Digits): Add pragma Assert. (Set_Blank_And_Sign): Add pragma Assert for the input range. * libgnat/s-arit64.adb (DoubleDivide): Add pragma Assert concerning Du /= 0. (Multiply_With_Ovflo_Check): Add pragma Annotate to avoid warning concerning unsigned -> signed conversion. * libgnat/s-imguns.adb (Set_Image_Unsigned): Add pragma Assert to prevent overflow check warning. Add pragma Assert for controlling S'First = 1. * libgnat/s-imgrea.adb (Image_Floating_Point, Set, Set_Digs, Set_Special_Fill, Convert_Integer): Add pragma Annotate to prevent overflow check warning. (Set_Image_Real): Add pragma Annotate to avoid dead code warning on float check. Add pragma Assert to prevent overflow check warning. * libgnat/s-imgwiu.adb (Set_Digits, Set_Image_Width_Unsigned): Add pragma assert to prevent overflow check warning. * libgnat/s-imgllu.adb (Set_Image_Long_Long_Unsigned): Add pragma assert to prevent overflow check warning. * libgnat/s-imgint.adb (Set_Digits): Add Assert for input constraint and to prevent overflow check warning, create Non_Positive subtype, and change the T parameter as Non_Positive instead Integer. (Set_Image_Integer): Add pragma assert to prevent overflow check warning. * libgnat/s-imglli.adb (Set_Digits): Add Assert for input constraint and to prevent overflow check warning, create Non_Positive subtype, and change the T parameter as Non_Positive instead Integer. (Set_Image_Long_Long_Integer): Add pragma assert to prevent overflow check warning. * libgnat/s-fatgen.adb (Decompose, Pred, Succ): Add pragma Annotate to prevent dead code due to invalid float check. * libgnat/s-imenne.adb (Image_Enumeration_8, Image_Enumeration_16, Image_Enumeration_32): Add pragma Assert to prevent overflow check warning. Add Names_Index subtype for restricting Index_table content.
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