Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/c-c++-common/pr65830.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 1830386684a0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/c-c++-common/pr65830.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,16 @@ +/* PR c/65830 */ +/* { dg-do compile } */ +/* { dg-options "-O -Wno-shift-count-negative -Wno-shift-count-overflow" } */ + +int +foo (int x) +{ + const int a = sizeof (int) * __CHAR_BIT__; + const int b = -7; + int c = 0; + c += x << a; /* { dg-bogus "left shift count >= width of type" } */ + c += x << b; /* { dg-bogus "left shift count is negative" } */ + c += x >> a; /* { dg-bogus "right shift count >= width of type" } */ + c += x >> b; /* { dg-bogus "right shift count is negative" } */ + return c; +}