[WebAssembly] Assembler: Improve section parsing.
Reviewers: sbc100
Subscribers: dschuff, jgravelle-google, aheejin, sunfish, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63947
llvm-svn: 364681
diff --git a/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp b/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
index 196ef2d..b891f88 100644
--- a/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
+++ b/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
@@ -748,6 +748,10 @@
auto SymName = Symbol->getName();
if (SymName.startswith(".L"))
return; // Local Symbol.
+ // Only create a new text section if we're already in one.
+ auto CWS = cast<MCSectionWasm>(getStreamer().getCurrentSection().first);
+ if (!CWS || !CWS->getKind().isText())
+ return;
auto SecName = ".text." + SymName;
auto WS = getContext().getWasmSection(SecName, SectionKind::getText());
getStreamer().SwitchSection(WS);