[llvm] 7786ac0 - MCContext::reset: clear RelSecnames & MacroMap

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2025-06-01T21:36:55-07:00
New Revision: 7786ac077acc4e81f987dd1db9cbd109f95ab37a

URL: https://github.com/llvm/llvm-project/commit/7786ac077acc4e81f987dd1db9cbd109f95ab37a
DIFF: https://github.com/llvm/llvm-project/commit/7786ac077acc4e81f987dd1db9cbd109f95ab37a.diff

LOG: MCContext::reset: clear RelSecnames & MacroMap

When MCContext is used for the second compile of
llvm/test/MC/ELF/twice.ll, ensure that .rel.text and .rel.eh_frame
strings do not come from the previous compilation copies.

Added: 
    

Modified: 
    llvm/lib/MC/MCContext.cpp

Removed: 
    


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diff  --git a/llvm/lib/MC/MCContext.cpp b/llvm/lib/MC/MCContext.cpp
index e0e5e7bfc37d7..37bae640352e6 100644
--- a/llvm/lib/MC/MCContext.cpp
+++ b/llvm/lib/MC/MCContext.cpp
@@ -177,6 +177,8 @@ void MCContext::reset() {
   XCOFFUniquingMap.clear();
   DXCUniquingMap.clear();
 
+  RelSecNames.clear();
+  MacroMap.clear();
   ELFEntrySizeMap.clear();
   ELFSeenGenericMergeableSections.clear();