[Bug c++/11767] different code behaviour with -fprofile-arcs -ftest-coverage

["lothar at xcerla dot com" <gcc-bugzilla at gcc dot gnu dot org>]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11767



------- Additional Comments From lothar at xcerla dot com  2003-08-01 20:45 -------
Created an attachment (id=4548)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=4548&action=view)
the preprocessed file that causes the bug to show

here is the cmdline of the compile and run with and without code coverage
analysis.

lothar@janus$ c++ -DGCCBUG -save-temps -fPIC -W -Wall -Wpointer-arith
-Wno-uninitialized -Woverloaded-virtual -march=pentiumpro -fPIC
-fnon-call-exceptions -D__XRS_INLINE__ -g -fprofile-arcs -ftest-coverage -O0
-fstack-check -I. -I../.. -o gccbug gccbug.cpp -lgmp
gccbug.cpp: In function `int main(int, char**)':
gccbug.cpp:48: warning: unused parameter `int argc'
gccbug.cpp:48: warning: unused parameter `char**argv'
<~/workspace/XRS/src/cxx/math/test>
lothar@janus$ ./gccbug
long
5 5 0 1 0 1 1 0
double
5 5 0 1 0 1 0 1


lothar@janus$ c++ -DGCCBUG -save-temps -fPIC -W -Wall -Wpointer-arith
-Wno-uninitialized -Woverloaded-virtual -march=pentiumpro -fPIC
-fnon-call-exceptions -D__XRS_INLINE__ -g -O0 -fstack-check -I. -I../.. -o
gccbug gccbug.cpp -lgmp
gccbug.cpp: In function `int main(int, char**)':
gccbug.cpp:48: warning: unused parameter `int argc'
gccbug.cpp:48: warning: unused parameter `char**argv'
<~/workspace/XRS/src/cxx/math/test>
lothar@janus$ ./gccbug
long
5 5 0 1 0 1 1 0
double
5 5 0 1 0 1 1 0