http://llvm.org/bugs/show_bug.cgi?id=17021
Bug ID: 17021
Summary: Recent CC_default change broke intrinsics?
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Reid,
You recent change
http://llvm.org/viewvc/llvm-project?revision=189412&view=revision
has affected the stack traces under ASan on Windows.
Any ideas what's up?
clang-cl -fsanitize=address intercept_memcpy_crash.cpp
[
https://code.google.com/p/address-sanitizer/source/browse/trunk/win/tests/intercept_memcpy_crash.cpp
]
->
TRUNK:
==14516==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x0041f865
at pc 0x11a1516 sp 0x41f768
WRITE of size 6 at 0x0041f865 thread T0
#0 0x11a1515 main+0x0x000002e5
Address 0x0041f865 is located in stack of thread T0 at offset 101 in frame
#0 0x11a123f main+0x0x0000000f
This frame has 2 object(s):
[32, 38) 'buff1'
[96, 101) 'buff2'
BEFORE r189412:
==12012==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x0075fe05
at pc 0x196bb8 sp 0x75f8d8
WRITE of size 6 at 0x0075fe05 thread T0
#0 0x18a638 __asan_report_error crt\lib\asan\asan_report.cc:742
#1 0x196bf3 wrap_memcpy crt\lib\asan\asan_interceptors.cc:333
#2 0x18147f main+0x0x0000024f
Address 0x0075fe05 is located in stack of thread T0 at offset 101 in frame
#0 0x18123f main+0x0x0000000f
This frame has 2 object(s):
[32, 38) 'buff1'
[96, 101) 'buff2'
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