Newly introduced defects

List of Defects

Error: CPPCHECK_WARNING (CWE-758): [#def1]
gcc-14.0.1-20240411/gcc/regs.h:286: error[shiftTooManyBits]: Shifting 64-bit value by 4294967296 bits is undefined behaviour
#  284|     end_regno = end_hard_regno (mode, regno);
#  285|     do
#  286|->     SET_HARD_REG_BIT (*regs, regno);
#  287|     while (++regno < end_regno);
#  288|   }

Error: CLANG_WARNING: [#def2]
gcc-14.0.1-20240411/gcc/analyzer/access-diagram.cc:29: included_from: Included from here.
gcc-14.0.1-20240411/gcc/tree.h:4174:12: warning[core.NullDereference]: Array access (via field 'val') results in a null pointer dereference
# 4172|   {
# 4173|     if (VL_EXP_CLASS_P (node))
# 4174|->     return VL_EXP_OPERAND_LENGTH (node);
# 4175|     else
# 4176|       return TREE_CODE_LENGTH (TREE_CODE (node));

Error: CLANG_WARNING: [#def3]
gcc-14.0.1-20240411/gcc/gimple-ssa-warn-restrict.cc:24: included_from: Included from here.
gcc-14.0.1-20240411/gcc/coretypes.h:472: included_from: Included from here.
gcc-14.0.1-20240411/gcc/wide-int.h:877:5: warning[core.uninitialized.UndefReturn]: Undefined or garbage value returned to caller
#  875|   {
#  876|     if (is_sign_extended)
#  877|->     return this->get_val ()[0];
#  878|     else
#  879|       return to_shwi (this->get_precision ());

Error: CLANG_WARNING: [#def4]
gcc-14.0.1-20240411/gcc/wide-int.h:1266:3: warning[core.uninitialized.UndefReturn]: Undefined or garbage value returned to caller
# 1264|   wide_int_storage::get_len () const
# 1265|   {
# 1266|->   return len;
# 1267|   }
# 1268|   

Error: CLANG_WARNING: [#def5]
gcc-14.0.1-20240411/gcc/wide-int.h:1421:3: warning[core.uninitialized.UndefReturn]: Undefined or garbage value returned to caller
# 1419|   fixed_wide_int_storage <N>::get_len () const
# 1420|   {
# 1421|->   return len;
# 1422|   }
# 1423|   

Error: GCC_ANALYZER_WARNING (CWE-476): [#def6]
gcc-14.0.1-20240411/newlib-cygwin-d45261f62a15f8abd94a1031020b9a9f455e4eed/newlib/doc/makedoc.c: scope_hint: In function ‘newentry’
gcc-14.0.1-20240411/newlib-cygwin-d45261f62a15f8abd94a1031020b9a9f455e4eed/newlib/doc/makedoc.c:1153:15: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘new’
# 1151|   {
# 1152|       dict_type *new = (dict_type *)malloc(sizeof(dict_type));
# 1153|->     new->word = word;
# 1154|       new->next = root;
# 1155|       root = new;

Error: GCC_ANALYZER_WARNING (CWE-401): [#def7]
gcc-14.0.1-20240411/newlib-cygwin-d45261f62a15f8abd94a1031020b9a9f455e4eed/newlib/doc/makedoc.c: scope_hint: In function ‘add_to_definition’
gcc-14.0.1-20240411/newlib-cygwin-d45261f62a15f8abd94a1031020b9a9f455e4eed/newlib/doc/makedoc.c:1170:21: warning[-Wanalyzer-malloc-leak]: leak of ‘<unknown>’
# 1168|       {
# 1169|   	entry->code_length += 2;
# 1170|-> 	entry->code =
# 1171|   	 (stinst_type *) realloc((char *)(entry->code),
# 1172|   			       entry->code_length *sizeof(word_type));

Error: GCC_ANALYZER_WARNING (CWE-476): [#def8]
gcc-14.0.1-20240411/newlib-cygwin-d45261f62a15f8abd94a1031020b9a9f455e4eed/newlib/doc/makedoc.c:1174:34: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘*entry.code + (long unsigned int)*entry.code_end * 8’
# 1172|   			       entry->code_length *sizeof(word_type));
# 1173|       }
# 1174|->     entry->code[entry->code_end] = word;
# 1175|       
# 1176|   return     entry->code_end++;  

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