diff --git a/gen/llvmhelpers.cpp b/gen/llvmhelpers.cpp
index e70ecf37..12db0688 100644
--- a/gen/llvmhelpers.cpp
+++ b/gen/llvmhelpers.cpp
@@ -1659,7 +1659,10 @@ bool mustDefineSymbol(Dsymbol* s)
             if (   !fd->isStaticCtorDeclaration()
                 && !fd->isStaticDtorDeclaration()
                 && !fd->isUnitTestDeclaration()
-                && fd->canInline(true, false, false))
+                // FIXME: Should be canInline(true, false, false), but this
+                // causes a misoptimization in druntime on x86, likely due to
+                // an LLVM bug.
+                && fd->canInline(true))
             {
                 return true;
             }