[MC] Maintain MCRelaxAll after reset()

[aengelke]

RelaxAll was set in the constructor, but cleared after reset().

[llvmbot]

@llvm/pr-subscribers-mc

Author: None (aengelke)

Changes

RelaxAll was set in the constructor, but cleared after reset().

---

Full diff: https://github.com/llvm/llvm-project/pull/94945.diff

1 Files Affected:

• (modified) llvm/lib/MC/MCObjectStreamer.cpp (+4-1)

diff --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp
index 0ccade91677a4..8d3873bed9efd 100644
--- a/llvm/lib/MC/MCObjectStreamer.cpp
+++ b/llvm/lib/MC/MCObjectStreamer.cpp
@@ -175,8 +175,11 @@ void MCObjectStreamer::emitAbsoluteSymbolDiffAsULEB128(const MCSymbol *Hi,
 }
 
 void MCObjectStreamer::reset() {
-  if (Assembler)
+  if (Assembler) {
     Assembler->reset();
+    if (getContext().getTargetOptions())
+      Assembler->setRelaxAll(getContext().getTargetOptions()->MCRelaxAll);
+  }
   CurInsertionPoint = MCSection::iterator();
   EmitEHFrame = true;
   EmitDebugFrame = false;

[MaskRay]

LGTM. Eventually we should probably add a testing-only option to call reset early so that these stuff is more testable.