[PATCH] D144684: [clang][Driver] Pass /INFERASANLIBS:NO to link.exe under -fsanitize=address

[Arthur Eubanks via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGdc07867dc999: [clang][Driver] Pass /INFERASANLIBS:NO to link.exe under -fsanitize=address (authored by aeubanks).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144684/new/

https://reviews.llvm.org/D144684

Files:
  clang/lib/Driver/ToolChains/MSVC.cpp
  clang/test/Driver/cl-link.c


Index: clang/test/Driver/cl-link.c
===================================================================
--- clang/test/Driver/cl-link.c
+++ clang/test/Driver/cl-link.c
@@ -65,3 +65,11 @@
 
 // RUN: %clang_cl /Tc%s -fuse-ld=lld -### 2>&1 | FileCheck --check-prefix=USE_LLD %s
 // USE_LLD: lld-link
+
+// RUN: %clang_cl -m32 -arch:IA32 --target=i386-pc-win32 /Tc%s -fuse-ld=link -### -fsanitize=address 2>&1 | FileCheck --check-prefix=INFER-LINK %s
+// INFER-LINK: link.exe
+// INFER-LINK: /INFERASANLIBS:NO
+
+// RUN: %clang_cl -m32 -arch:IA32 --target=i386-pc-win32 /Tc%s -fuse-ld=lld -### -fsanitize=address 2>&1 | FileCheck --check-prefix=INFER-LLD %s
+// INFER-LLD: lld-link
+// INFER-LLD-NOT: INFERASANLIBS
Index: clang/lib/Driver/ToolChains/MSVC.cpp
===================================================================
--- clang/lib/Driver/ToolChains/MSVC.cpp
+++ clang/lib/Driver/ToolChains/MSVC.cpp
@@ -336,6 +336,11 @@
       }
     }
 
+    // Clang handles passing the proper asan libs to the linker, which goes
+    // against link.exe's /INFERASANLIBS which automatically finds asan libs.
+    if (TC.getSanitizerArgs(Args).needsAsanRt())
+      CmdArgs.push_back("/INFERASANLIBS:NO");
+
 #ifdef _WIN32
     // When cross-compiling with VS2017 or newer, link.exe expects to have
     // its containing bin directory at the top of PATH, followed by the


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