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[clang] pch-related test failures: fatal error: file './module.modulemap' has been modified since the module file '...' w as built: content changed #96379

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[clang] pch-related test failures: fatal error: file './module.modulemap' has been modified since the module file '...' w as built: content changed#96379
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clang:modulesC++20 modules and Clang Header Modules
@mgorny

Description

@mgorny
mgorny
opened on Jun 22, 2024

I'm guessing multiple tests are using the same output file and therefore there's some race condition there:

FAIL: Clang :: Modules/implicit-module-no-timestamp.cpp (12696 of 19835)
******************** TEST 'Clang :: Modules/implicit-module-no-timestamp.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: rm -rf /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp
+ rm -rf /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp
RUN: at line 2: split-file /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/implicit-module-no-timestamp.cpp /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp
+ split-file /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/implicit-module-no-timestamp.cpp /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp
RUN: at line 3: cd /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp
+ cd /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp
RUN: at line 5: cp a1.h a.h
+ cp a1.h a.h
RUN: at line 6: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -fmodules -fvalidate-ast-input-files-content -fno-pch-timestamp -fmodule-map-file=module.modulemap -fmodules-cache-path=/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp test1.cpp
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -fmodules -fvalidate-ast-input-files-content -fno-pch-timestamp -fmodule-map-file=module.modulemap -fmodules-cache-path=/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp test1.cpp
test1.cpp:1:2: fatal error: file './module.modulemap' has been modified since the module file '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp/3RPMK39W91IAT/a-2ZILJK6X9KN22.pcm' was built: content changed
    1 | #include "a.h"
      |  ^
test1.cpp:1:2: note: please rebuild precompiled header '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/implicit-module-no-timestamp.cpp.tmp/3RPMK39W91IAT/a-2ZILJK6X9KN22.pcm'
1 error generated.

--

********************
FAIL: Clang :: Modules/validate-file-content.m (13152 of 19835)
******************** TEST 'Clang :: Modules/validate-file-content.m' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 4: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -fmodules -fsyntax-only -fmodules-validate-input-files-content /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/validate-file-content.m -### 2>&1 | /usr/lib/llvm/19/bin/FileCheck --check-prefix=CHECK-CC1 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/validate-file-content.m
+ /usr/lib/llvm/19/bin/FileCheck --check-prefix=CHECK-CC1 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/validate-file-content.m
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -fmodules -fsyntax-only -fmodules-validate-input-files-content /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/validate-file-content.m -###
RUN: at line 8: rm -rf /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp
+ rm -rf /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp
RUN: at line 9: mkdir /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp
+ mkdir /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp
RUN: at line 10: echo '// m.h' > /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/m.h
+ echo '// m.h'
RUN: at line 11: echo '#include "m.h"' > /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.h
+ echo '#include "m.h"'
RUN: at line 12: echo 'module m { header "m.h" }' > /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/module.modulemap
+ echo 'module m { header "m.h" }'
RUN: at line 13: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -emit-pch -fmodules-cache-path=/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/cache -fmodules -fimplicit-module-maps -o /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp -x objective-c-header /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.h -fvalidate-ast-input-files-content
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -emit-pch -fmodules-cache-path=/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/cache -fmodules -fimplicit-module-maps -o /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp -x objective-c-header /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.h -fvalidate-ast-input-files-content
RUN: at line 14: touch -m -a -t 202901010000 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/m.h
+ touch -m -a -t 202901010000 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/m.h
RUN: at line 15: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -fsyntax-only -fmodules-cache-path=/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/cache -fmodules -fimplicit-module-maps -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp -include-pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/validate-file-content.m -verify -fvalidate-ast-input-files-content
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -fsyntax-only -fmodules-cache-path=/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/cache -fmodules -fimplicit-module-maps -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp -include-pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/Modules/validate-file-content.m -verify -fvalidate-ast-input-files-content
error: no expected directives found: consider use of 'expected-no-diagnostics'
error: 'expected-error' diagnostics seen but not expected: 
  (frontend): file '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/m.h' has been modified since the precompiled header '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch' was built: content changed
error: 'expected-note' diagnostics seen but not expected: 
  (frontend): '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/m.h' required by '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/cache/294COQL714QJ5/m-3JATOK4LPVBAZ.pcm'
  (frontend): '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/cache/294COQL714QJ5/m-3JATOK4LPVBAZ.pcm' required by '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch'
  (frontend): please rebuild precompiled header '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch'
  (frontend): imported by '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/Modules/Output/validate-file-content.m.tmp/a.pch'
6 errors generated.

--

********************
FAIL: Clang :: PCH/validate-file-content.m (14854 of 19835)
******************** TEST 'Clang :: PCH/validate-file-content.m' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 4: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -x objective-c-header -fsyntax-only -fpch-validate-input-files-content /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/PCH/validate-file-content.m -### 2>&1 | /usr/lib/llvm/19/bin/FileCheck --check-prefix=CHECK-CC1 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/PCH/validate-file-content.m
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -x objective-c-header -fsyntax-only -fpch-validate-input-files-content /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/PCH/validate-file-content.m -###
+ /usr/lib/llvm/19/bin/FileCheck --check-prefix=CHECK-CC1 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/PCH/validate-file-content.m
RUN: at line 8: rm -rf /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp
+ rm -rf /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp
RUN: at line 9: mkdir /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp
+ mkdir /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp
RUN: at line 10: echo '// m.h' > /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/m.h
+ echo '// m.h'
RUN: at line 11: echo '#include "m.h"' > /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.h
+ echo '#include "m.h"'
RUN: at line 12: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -emit-pch -o /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.pch -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp -x objective-c-header /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.h -fvalidate-ast-input-files-content
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -emit-pch -o /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.pch -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp -x objective-c-header /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.h -fvalidate-ast-input-files-content
RUN: at line 13: touch -m -a -t 202901010000 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/m.h
+ touch -m -a -t 202901010000 /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/m.h
RUN: at line 14: /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -fsyntax-only -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp -include-pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/PCH/validate-file-content.m -verify -fvalidate-ast-input-files-content
+ /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/clang -cc1 -internal-isystem /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/bin/../../../../lib/clang/19/include -nostdsysteminc -fsyntax-only -I /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp -include-pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.pch /var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/clang/test/PCH/validate-file-content.m -verify -fvalidate-ast-input-files-content
error: no expected directives found: consider use of 'expected-no-diagnostics'
error: 'expected-error' diagnostics seen but not expected: 
  (frontend): file '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/m.h' has been modified since the precompiled header '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.pch' was built: content changed
error: 'expected-note' diagnostics seen but not expected: 
  (frontend): please rebuild precompiled header '/var/tmp/portage/sys-devel/clang-19.0.0_pre20240622/work/x/y/clang-abi_x86_32.x86/test/PCH/Output/validate-file-content.m.tmp/a.pch'
3 errors generated.

--

********************

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