Native toolchain can default to different ABI (amd64 in bug case).
Set target to i386.
https://bugs.gentoo.org/600664
diff --git a/mono/mini/aot-compiler.c b/mono/mini/aot-compiler.c
index a1c359f..beaaf76 100644
--- a/mono/mini/aot-compiler.c
+++ b/mono/mini/aot-compiler.c
@@ -9842,7 +9842,9 @@ compile_asm (MonoAotCompile *acfg)
 	const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
 	char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
 
-#if defined(TARGET_AMD64) && !defined(TARGET_MACH)
+#if defined(TARGET_X86) && !defined(TARGET_MACH)
+#define AS_OPTIONS "--32"
+#elif defined(TARGET_AMD64) && !defined(TARGET_MACH)
 #define AS_OPTIONS "--64"
 #elif defined(TARGET_POWERPC64)
 #define AS_OPTIONS "-a64 -mppc64"
@@ -9886,6 +9888,8 @@ compile_asm (MonoAotCompile *acfg)
 #define LD_OPTIONS "--shared"
 #elif defined(TARGET_POWERPC64)
 #define LD_OPTIONS "-m elf64ppc"
+#elif defined(TARGET_X86)
+#define LD_OPTIONS "-m elf_i386"
 #endif
 
 #ifndef LD_OPTIONS