[lld] [lld][WebAssembly] Fix relocation of Wasm table index with GOT access (PR #104043)

[Sam Clegg via llvm-commits]

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@@ -0,0 +1,27 @@
+# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
+
+# RUN: not wasm-ld --experimental-pic -shared %t.o -o /dev/null 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+# ERRUND: error: {{.*}}.o: relocation R_WASM_TABLE_INDEX_REL_SLEB cannot be used against an undefined symbol `external_func`
+
+# RUN: not wasm-ld --experimental-pic -shared %t.o -o /dev/null  --unresolved-symbols=report-all 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+
+# RUN: not wasm-ld --experimental-pic -shared %t.o -o /dev/null  --warn-unresolved-symbols 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+
+# RUN: not wasm-ld --experimental-pic -shared %t.o -o /dev/null  --unresolved-symbols=ignore-all 2>&1 | \
+# RUN:   FileCheck -check-prefix=ERRUND %s
+
+.globaltype	__table_base, i32, immutable
+
+.functype external_func () -> ()
+
+.globl _start
+_start:
+    .functype _start () -> ()
+    global.get  __table_base
+    i32.const external_func at TBREL
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sbc100 wrote:

Perhaps move the `CHECK:` down to this line, so its clear where the error is coming from.

https://github.com/llvm/llvm-project/pull/104043