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Dwarf: preserve deduped struct navs

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Previously, if multiple navs owned the same type due to being the same
zir node and having the same captures, they would overwrite each other.
Now, the navs codegenned later emit a decl alias to the first one.
This commit is contained in:
Jacob Young 2024-12-15 22:46:02 -05:00
parent d12c0bf909
commit 74ba5762ec
1 changed files with 4 additions and 4 deletions
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8
src/link/Dwarf.zig
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@ -2632,7 +2632,7 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
const type_gop = try dwarf.types.getOrPut(dwarf.gpa, nav_val.toIntern());
if (type_gop.found_existing) {
dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).clear();
if (dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).len > 0) break :tag .decl_alias;
nav_gop.value_ptr.* = type_gop.value_ptr.*;
} else {
if (nav_gop.found_existing)
@ -2733,7 +2733,7 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
const type_gop = try dwarf.types.getOrPut(dwarf.gpa, nav_val.toIntern());
if (type_gop.found_existing) {
dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).clear();
if (dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).len > 0) break :tag .decl_alias;
nav_gop.value_ptr.* = type_gop.value_ptr.*;
} else {
if (nav_gop.found_existing)
@ -2788,7 +2788,7 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
const type_gop = try dwarf.types.getOrPut(dwarf.gpa, nav_val.toIntern());
if (type_gop.found_existing) {
dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).clear();
if (dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).len > 0) break :tag .decl_alias;
nav_gop.value_ptr.* = type_gop.value_ptr.*;
} else {
if (nav_gop.found_existing)
@ -2879,7 +2879,7 @@ pub fn updateComptimeNav(dwarf: *Dwarf, pt: Zcu.PerThread, nav_index: InternPool
const type_gop = try dwarf.types.getOrPut(dwarf.gpa, nav_val.toIntern());
if (type_gop.found_existing) {
dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).clear();
if (dwarf.debug_info.section.getUnit(wip_nav.unit).getEntry(type_gop.value_ptr.*).len > 0) break :tag .decl_alias;
nav_gop.value_ptr.* = type_gop.value_ptr.*;
} else {
if (nav_gop.found_existing)