cc,wasi: do not add stack protector

Author: kubkon

src/Compilation.zig

@@ -2896,7 +2896,7 @@ pub fn addCCArgs(
                     try argv.append("-D_DEBUG");
                     try argv.append("-Og");
 
-                    if (comp.bin_file.options.link_libc) {
+                    if (comp.bin_file.options.link_libc and target.os.tag != .wasi) {
                         try argv.append("-fstack-protector-strong");
                         try argv.append("--param");
                         try argv.append("ssp-buffer-size=4");
@@ -2908,7 +2908,7 @@ pub fn addCCArgs(
                     // See the comment in the BuildModeFastRelease case for why we pass -O2 rather
                     // than -O3 here.
                     try argv.append("-O2");
-                    if (comp.bin_file.options.link_libc) {
+                    if (comp.bin_file.options.link_libc and target.os.tag != .wasi) {
                         try argv.append("-D_FORTIFY_SOURCE=2");
                         try argv.append("-fstack-protector-strong");
                         try argv.append("--param");

src/wasi_libc.zig

@@ -234,6 +234,7 @@ fn addCCArgs(
     try args.appendSlice(&[_][]const u8{
         "-std=gnu17",
         "-fno-trapping-math",
+        "-fno-stack-protector",
         "-w", // ignore all warnings
 
         o_arg,