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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20030405-1.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20030405-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20030405-1.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20030405-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20030405-1.c new file mode 100644 index 000000000..0bdafb923 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20030405-1.c @@ -0,0 +1,30 @@ +/* When compiled with -pedantic, this program will cause an ICE when the + constant propagator tries to set the value of *str to UNDEFINED. + + This happens because *str is erroneously considered as a store alias. + The aliasing code is then making *str an alias leader for its alias set + and when the PHI node at the end of the while() is visited the first + time, CCP will try to assign it a value of UNDEFINED, but the default + value for *str is a constant. */ +typedef __SIZE_TYPE__ size_t; +size_t strlength (const char * const); +char foo(); + +static const char * const str = "mingo"; + +bar() +{ + size_t c; + char *x; + + c = strlength (str); + while (c < 10) + { + if (c > 5) + *x = foo (); + if (*x < 'a') + break; + } + + return *x == '3'; +} |