fix clang builds

src/rdi_from_dwarf/rdi_dwarf.c

@@ -1070,6 +1070,9 @@ static DWARF_FormDecodeRules
 dwarf_form_decode_rule(DWARF_AttributeForm form, U64 address_size, U64 offset_size){
   DWARF_FormDecodeRules result = {0};
   switch (form){
+    case DWARF_AttributeForm_null:
+    case DWARF_AttributeForm_indirect:{}break;
+    
     case DWARF_AttributeForm_addr: result.size = address_size; break;
     case DWARF_AttributeForm_addrx: result.uleb128 = 1; break;
     case DWARF_AttributeForm_addrx1: result.size = 1; break;
@@ -1286,6 +1289,7 @@ static String8
 dwarf_string_from_section_code(DWARF_SectionCode sec_code){
   String8 result = str8_lit("unrecognized_section_code");
   switch (sec_code){
+    case DWARF_SectionCode_COUNT:{}break;
 #define X(Nc,Vf,N0,N1,N2) case DWARF_SectionCode_##Nc: result = str8_lit(#Nc); break;
     DWARF_SectionNameXList(X,0,0)
 #undef X

src/rdi_from_dwarf/rdi_dwarf.h

@@ -1240,7 +1240,7 @@ typedef struct DWARF_LocListsParsed{
 ////////////////////////////////
 //~ Dwarf Decode Helpers
 
-#define DWARF_LEB128_ADV(p,o,s) do{ for(;; (p)+=1){\
+#define DWARF_LEB128_ADV(p,o,s) do{ (s)=1; for(;; (p)+=1){\
 if ((p) == (o))         { (s)=0;  break; }   \
 if (((*(p))&0x80) == 0) { (p)+=1; break; }   \
 } }while(0)

src/rdi_from_dwarf/rdi_elf.c

@@ -476,6 +476,8 @@ elf_sym_array_from_data(Arena *arena, ELF_Class elf_class, String8 data){
   ELF_Sym64 *symbols = 0;
   U64 count = 0;
   switch (elf_class){
+    default:{}break;
+    
     case ELF_Class_32:
     {
       count = data.size/sizeof(ELF_Sym32);