[PATCH] D55085: Avoid emitting redundant or unusable directories in DIFile metadata entries

[David Zarzycki via Phabricator via cfe-commits]

davezarzycki added a comment.

Hello @aprantl,

This change broke the test suite when building in /tmp (tmpfs) on Linux:

FAIL: Clang :: CodeGen/debug-info-abspath.c (5676 of 44360)

- TEST 'Clang :: CodeGen/debug-info-abspath.c' FAILED ********************

Script:
-------

: 'RUN: at line 1';   /tmp/_t/bin/clang -cc1 -internal-isystem /tmp/_t/lib/clang/8.0.0/include -nostdsysteminc -debug-info-kind=limited -triple x86_64-unknown-linux-gnu    /home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c -emit-llvm -o - | /tmp/_t/bin/FileCheck /home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c
: 'RUN: at line 4';   cp /home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c /tmp/_t/tools/clang/test/CodeGen/Output/debug-info-abspath.c.tmp.c

: 'RUN: at line 5';   /tmp/_t/bin/clang -cc1 -internal-isystem /tmp/_t/lib/clang/8.0.0/include -nostdsysteminc -debug-info-kind=limited -triple x86_64-unknown-linux-gnu    /tmp/_t/tools/clang/test/CodeGen/Output/debug-info-abspath.c.tmp.c -emit-llvm -o - | /tmp/_t/bin/FileCheck /home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c --check-prefix=INTREE
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Exit Code: 1

Command Output (stderr):
------------------------

/home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c:13:16: error: CHECK-SAME: expected string not found in input
// CHECK-SAME: directory: "{{.+}}")

  ^

<stdin>:25:81: note: scanning from here
!7 = !DIFile(filename: "/home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c", directory: "")

  ^

<stdin>:25:83: note: possible intended match here
!7 = !DIFile(filename: "/home/dave/s/lc/clang/test/CodeGen/debug-info-abspath.c", directory: "")

    ^


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55085/new/

https://reviews.llvm.org/D55085