mold produces corrupted compressed debug sections for i386

[sicherha]

How to reproduce:

echo 'int main() { return 0; }' | cc -m32 -B. -o exe -g -gz -xc -
dwarfdump exe | grep -i error
readelf --sections exe > /dev/null

dwarfdump output:

dwarfdump ERROR:  ERROR: Failure reading CU header or DIE, corrupt DWARF:  DW_DLE_UNKNOWN_FORM: Abbrev form 0x2 DW_DLE_UNKNOWN_FORM(really unknown attr): Abbrev form 0x2 with attribute 0x0 so abbreviations unusable. . Attempting to continue.
dwarfdump ERROR:  printing .debug_info had a problem.:  DW_DLE_UNKNOWN_FORM: Abbrev form 0x2 DW_DLE_UNKNOWN_FORM(really unknown attr): Abbrev form 0x2 with attribute 0x0 so abbreviations unusable. . Attempting to continue.
ERROR: dwarf_offdie() gets a return of error  finding the compilation-unit DIE for arange number 0 and that should never happen. fails. Major error
dwarfdump ERROR:  printing the aranges section had a problem.:  DW_DLE_UNKNOWN_FORM: Abbrev form 0x2 DW_DLE_UNKNOWN_FORM(really unknown attr): Abbrev form 0x2 with attribute 0x0 so abbreviations unusable. . Attempting to continue.
There were 4 DWARF errors reported: see ERROR above.

readelf output:

readelf: exe: Error: .debug_abbrev section not zero terminated
readelf: exe: Warning: DIE at offset 0xc refers to abbreviation number 1 which does not exist