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Date: Wed, 14 Aug 2019 03:20:04 +0000
From: Fangrui Song <>
Subject: [PATCH libc-test] tls_local_exec.c: add a dynamic relocation test

commit 9d35fec9e1f391d56faee20b868ef4114bcc4d8a fixed a TLS bug introduced
in commit ffab43602b5900c86b7040abdda8ccf6cdec95f5.

% make B=/tmp/libc-test-x86_64 /tmp/libc-test-x86_64/functional/tls_local_exec.err
% cat /tmp/libc-test-x86_64/functional/tls_local_exec.err
FAIL /tmp/libc-test-x86_64/functional/tls_local_exec.exe [signal Segmentation fault]

static __thread const char *s1 = "s1";

produces a dynamic relocation against .tdata in a -pie build, which can
have caught the regression.

View attachment "libc-test-tls_local_exec.patch" of type "text/x-diff" (1289 bytes)

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