diff --git a/llvm/lib/MC/MCContext.cpp b/llvm/lib/MC/MCContext.cpp
--- a/llvm/lib/MC/MCContext.cpp
+++ b/llvm/lib/MC/MCContext.cpp
@@ -656,6 +656,7 @@
   StringRef CachedName = Entry.first.SectionName;
 
   MCSymbol *Begin = createSymbol(CachedName, true, false);
+  Symbols[Begin->getName()] = Begin;
   cast<MCSymbolWasm>(Begin)->setType(wasm::WASM_SYMBOL_TYPE_SECTION);
 
   MCSectionWasm *Result = new (WasmAllocator.Allocate())
diff --git a/llvm/test/MC/WebAssembly/section-symbol.s b/llvm/test/MC/WebAssembly/section-symbol.s
new file mode 100644
--- /dev/null
+++ b/llvm/test/MC/WebAssembly/section-symbol.s
@@ -0,0 +1,16 @@
+# RUN: llvm-mc -triple=wasm32 < %s | FileCheck %s
+
+# check that we can refer to section symbols of other sections.
+# getWasmSection currently forces the section symbol to have a suffix.
+
+# TODO: fix the 0-suffix: https://bugs.llvm.org/show_bug.cgi?id=49252
+
+    .section    .debug_abbrev,"",@
+    .int8       1
+    .section    .debug_info,"",@
+    .int32      .debug_abbrev0
+
+# CHECK:         .section    .debug_abbrev,"",@
+# CHECK-NEXT:    .int8       1
+# CHECK-NEXT:    .section    .debug_info,"",@
+# CHECK-NEXT:    .int32      .debug_abbrev0