Compilation: --debug-rt always Debug

andrewrk · andrewrk · commit 98253bc0eee2 · 2025-09-25T17:15:47.000-07:00
--debug-rt previously would make rt libs match the root module. Now they
are always debug when --debug-rt is passed. This includes compiler-rt,
fuzzer lib, and others.
diff --git a/src/Compilation.zig b/src/Compilation.zig
@@ -8116,7 +8116,7 @@ pub fn addLinkLib(comp: *Compilation, lib_name: []const u8) !void {
 /// compiler-rt, libcxx, libc, libunwind, etc.
 pub fn compilerRtOptMode(comp: Compilation) std.builtin.OptimizeMode {
     if (comp.debug_compiler_runtime_libs) {
-        return comp.root_mod.optimize_mode;
+        return .Debug;
     }
     const target = &comp.root_mod.resolved_target.result;
     switch (comp.root_mod.optimize_mode) {

Original file line number	Diff line number	Diff line change
`@@ -8116,7 +8116,7 @@ pub fn addLinkLib(comp: *Compilation, lib_name: []const u8) !void {`
`8116`	`8116`	`/// compiler-rt, libcxx, libc, libunwind, etc.`
`8117`	`8117`	`pub fn compilerRtOptMode(comp: Compilation) std.builtin.OptimizeMode {`
`8118`	`8118`	`if (comp.debug_compiler_runtime_libs) {`
`8119`		`- return comp.root_mod.optimize_mode;`
	`8119`	`+ return .Debug;`
`8120`	`8120`	`}`
`8121`	`8121`	`const target = &comp.root_mod.resolved_target.result;`
`8122`	`8122`	`switch (comp.root_mod.optimize_mode) {`