Index: llvm/lib/Transforms/IPO/GlobalOpt.cpp
===================================================================
--- llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -477,6 +477,10 @@
     if (Pair.first < Offset)
       return nullptr;
 
+    // Scalable types not currently supported.
+    if (isa<ScalableVectorType>(Pair.second))
+      return nullptr;
+
     Offset = Pair.first + DL.getTypeAllocSize(Pair.second);
   }
 
Index: llvm/test/Transforms/GlobalOpt/2022-08-23-ScalableVectorCrash.ll
===================================================================
--- /dev/null
+++ llvm/test/Transforms/GlobalOpt/2022-08-23-ScalableVectorCrash.ll
@@ -0,0 +1,15 @@
+; RUN: opt -globalopt < %s
+
+; Ensure we don't ICE by trying to optimize a scalable vector load of a global
+; variable.
+
+%struct.xxx = type <{ [96 x i8] }>
+
+@.bss = internal unnamed_addr global %struct.xxx zeroinitializer, align 32
+
+define dso_local void @foo() local_unnamed_addr align 16 #0 {
+L.entry:
+  store <vscale x 2 x double> zeroinitializer, ptr @.bss, align 1
+  %0 = load <vscale x 2 x double>, ptr @.bss, align 8
+  unreachable
+}