llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Aiden Grossman (boomanaiden154)

<details>
<summary>Changes</summary>

This test used a subshell which is not supported by lit's internal
shell. Rewrite it to use the readfile substitution.


---
Full diff: https://github.com/llvm/llvm-project/pull/165144.diff


1 Files Affected:

- (modified) compiler-rt/test/msan/allocator_mapping.cpp (+2-1) 


``````````diff
diff --git a/compiler-rt/test/msan/allocator_mapping.cpp 
b/compiler-rt/test/msan/allocator_mapping.cpp
index e7a12da489152..6eaba7e16a5be 100644
--- a/compiler-rt/test/msan/allocator_mapping.cpp
+++ b/compiler-rt/test/msan/allocator_mapping.cpp
@@ -3,7 +3,8 @@
 // mapping the heap early, in __msan_init.
 //
 // RUN: %clangxx_msan -O0 %s -o %t_1
-// RUN: %clangxx_msan -O0 -DHEAP_ADDRESS=$(%run %t_1) %s -o %t_2 && %run %t_2
+// RUN: %run %t_1 > %t.heap_address
+// RUN: %clangxx_msan -O0 -DHEAP_ADDRESS=%{readfile:%t.heap_address} %s -o 
%t_2 && %run %t_2
 //
 // This test only makes sense for the 64-bit allocator. The 32-bit allocator
 // does not have a fixed mapping. Exclude platforms that use the 32-bit

``````````

</details>


https://github.com/llvm/llvm-project/pull/165144
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