[DIAG][msan] fix libc check string for dladdr1 call

[lei137]

The check for dladdr1 for shared libc is too strict. Depending on how the system is setup we sometimes pick up the none generic lib name with the version string in it.

Update check to for libc to account for version string.

[llvmbot]

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

Author: Lei Huang (lei137)

Changes

The check for dladdr1 for shared libc is too strict. Depending on how the system is setup we sometimes pick up the none generic lib name with the version string in it.

Update check to for libc to account for version string.

---

Full diff: https://github.com/llvm/llvm-project/pull/69359.diff

1 Files Affected:

• (modified) compiler-rt/test/msan/dladdr1_test.c (+1-1)

diff --git a/compiler-rt/test/msan/dladdr1_test.c b/compiler-rt/test/msan/dladdr1_test.c
index dc5f6fdf9f91728..534f5f9cc193a2f 100644
--- a/compiler-rt/test/msan/dladdr1_test.c
+++ b/compiler-rt/test/msan/dladdr1_test.c
@@ -60,7 +60,7 @@ int main(int argc, char *argv[]) {
       fflush(stdout);
       map_ptr = map_ptr->l_next;
     }
-    // CHECK: libc.so
+    // CHECK: libc{{[\-]*.*}}.so
     // CHECK: dladdr1_test
   }
 

[thurstond]

Nice find and fix, thanks!