http://llvm.org/bugs/show_bug.cgi?id=15260
Bug ID: 15260
Summary: lldb on Linux does not display the correct value of
bit fields
Product: lldb
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
The testcase TestBitfields.py fails because a single bit is not displayed
correctly in a structure that uses bit masks. Interestingly, the other members
of the struct (before and after the 1-bit member) seem to be displayed
correctly.
To reproduce with clang on an x86_64 linux build, run:
python dotest.py lang/c/bitfields
The trace of the failure is below:
runCmd: frame variable --show-types more_bits
output: (MoreBits) more_bits = {
(uint32_t:3) a = 3
(int:1) = -1
(uint8_t:1) b = '\0'
(uint8_t:1) c = '\x01'
(uint8_t:1) d = '\0'
}
Expecting sub string: (uint32_t:3) a = 3
Matched
Expecting sub string: (int:1) = 0
Not matched
FAIL
Traceback (most recent call last):
File "/home/daniel/dev/llvm-svn/tools/lldb/test/lldbtest.py", line 365, in
wrapper
return func(self, *args, **kwargs)
File
"/home/daniel/dev/llvm-svn/tools/lldb/test/lang/c/bitfields/TestBitfields.py",
line 32, in test_with_dwarf_and_run_command
self.bitfields_variable()
File
"/home/daniel/dev/llvm-svn/tools/lldb/test/lang/c/bitfields/TestBitfields.py",
line 111, in bitfields_variable
'(uint8_t:1) d = \'\\0\''])
File "/home/daniel/dev/llvm-svn/tools/lldb/test/lldbtest.py", line 1325, in
expect
msg if msg else EXP_MSG(str, exe))
AssertionError: False is not True : Variable(s) displayed correctly
Config=x86_64-clang
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