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gmock.h:10090:60: runtime error: member call on null pointer of type 'const struct ResultHolder' #268

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@octoploid

Description

@octoploid

Compiling with gcc-6 leads to segfault in the testsuite:

markus@x4 build % make test
Running tests...
Test project /var/tmp/cppformat/build
Start 1: assert-test
1/8 Test #1: assert-test ...................... Passed 0.01 sec
Start 2: gtest-extra-test
2/8 Test #2: gtest-extra-test ................. Passed 0.01 sec
Start 3: format-test
3/8 Test #3: format-test ......................_Exception: SegFault 0.00 sec
Start 4: format-impl-test
4/8 Test #4: format-impl-test ................. Passed 0.00 sec
Start 5: printf-test
5/8 Test #5: printf-test ...................... Passed 0.01 sec
Start 6: util-test
6/8 Test #6: util-test ........................
_Exception: SegFault 0.01 sec
Start 7: posix-mock-test
7/8 Test #7: posix-mock-test ..................***Exception: SegFault 0.01 sec
Start 8: posix-test
8/8 Test #8: posix-test ....................... Passed 0.01 sec

63% tests passed, 3 tests failed out of 8

This happens because undefined behavior is invoked:

markus@x4 bin % ./util-test
[==========] Running 35 tests from 6 test cases.
[----------] Global test environment set-up.
[----------] 1 test from AllocatorTest
[ RUN ] AllocatorTest.AllocatorRef
/var/tmp/cppformat/test/../gmock/gmock/gmock.h:10090:60: runtime error: member call on null pointer of type 'const struct ResultHolder'
[1] 15511 segmentation fault ./util-test

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