diff --git a/bolt/test/AArch64/double_jump.cpp b/bolt/test/AArch64/double_jump.cpp
--- a/bolt/test/AArch64/double_jump.cpp
+++ b/bolt/test/AArch64/double_jump.cpp
@@ -52,4 +52,4 @@
   return count;
 }
 
-int main(int argc, const char *argv[]) { return foo(38); }
+extern "C" int _start() { return foo(38); }
diff --git a/bolt/test/AArch64/lit.local.cfg b/bolt/test/AArch64/lit.local.cfg
--- a/bolt/test/AArch64/lit.local.cfg
+++ b/bolt/test/AArch64/lit.local.cfg
@@ -1,2 +1,7 @@
 if config.host_arch not in ['aarch64']:
     config.unsupported = True
+
+config.substitutions.insert(
+    0, ('%cflags',
+        '%cflags --target=aarch64-pc-linux -nostartfiles -nostdlib -fuse-ld=lld'
+        ' -Wl,--unresolved-symbols=ignore-all'))
diff --git a/bolt/test/AArch64/tailcall_traps.s b/bolt/test/AArch64/tailcall_traps.s
--- a/bolt/test/AArch64/tailcall_traps.s
+++ b/bolt/test/AArch64/tailcall_traps.s
@@ -17,12 +17,12 @@
 
   .text
   .align 4
-  .global main
-  .type main, %function
-main:
+  .global _start
+  .type _start, %function
+_start:
   nop
   ret
-  .size main, .-main
+  .size _start, .-_start
 
   .global foo
   .type foo, %function