--- wikisrc/users/maya/vax-gcc.mdwn	2019/08/30 02:09:23	1.8
+++ wikisrc/users/maya/vax-gcc.mdwn	2019/08/31 13:17:56	1.11
@@ -66,5 +66,26 @@ This errors out with:
     during RTL pass: vregs
     /home/fly/oacc/decl.ii:17:1: internal compiler error: in extract_insn, at recog.c:2310
     
-Providing a trivial scheduling will avoid subregs of mem.  
-However, this doesn't work for us. Our crash and mem subregs happen at a too early pass, most likely.
+
+This is in VAX-specific code. We need to figure out what instruction pattern this is, that we're missing.
+
+<!--Providing a trivial scheduling will avoid subregs of mem.  
+However, this doesn't work for us. Our crash and mem subregs happen at a too early pass, most likely.-->
+
+## DWARF ##
+
+    flag_dwarf2_cfi_asm = 0;
+
+is kind of a big deal. We should probably get rid of it, but [binutils hates that.](https://github.com/NetBSD/src/commit/1df57dce3744cf4743358b098728a0658b80b8fb)
+
+    ld: warning: dynamic relocation to `?' in readonly section `.eh_frame'
+    ld: warning: dynamic relocation to `?' in readonly section `.eh_frame'
+    ld: warning: creating a DT_TEXTREL in a shared object
+    ld: .eh_frame_hdr refers to overlapping FDEs
+    ld: final link failed: bad value
+
+[riscv seemed to share the issue](https://github.com/riscv/riscv-binutils-gdb/issues/76) and had fixed it.
+
+## review comments ##
+
+Jeff Law [provided some feedback](https://gcc.gnu.org/ml/gcc/2019-04/msg00281.html). More of it should be addressed.