rollup merge of #17363 : thestinger/aslr

Author: alexcrichton

src/librustc/back/link.rs

@@ -1028,7 +1028,9 @@ fn link_args(cmd: &mut Command,
 
         // Mark all dynamic libraries and executables as compatible with ASLR
         // FIXME #17098: ASLR breaks gdb
-        // cmd.arg("-Wl,--dynamicbase");
+        if sess.opts.debuginfo == NoDebugInfo {
+            cmd.arg("-Wl,--dynamicbase");
+        }
 
         // Mark all dynamic libraries and executables as compatible with the larger 4GiB address
         // space available to x86 Windows binaries on x86_64.