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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.dg/Wsequence-point-pr18050.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.dg/Wsequence-point-pr18050.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/Wsequence-point-pr18050.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wsequence-point-pr18050.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wsequence-point-pr18050.c new file mode 100644 index 000000000..63aecd0f3 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wsequence-point-pr18050.c @@ -0,0 +1,24 @@ +/* PR 18050 : bogus warning with -Wsequence-point */ +/* { dg-do compile } */ +/* { dg-options "-Wsequence-point" } */ + +struct x +{ + int i; +}; +void bar(struct x*, int *); + +void foo(struct x *y) +{ + bar(y++, &y->i); /* { dg-warning "operation on 'y' may be undefined" } */ +} + +void zz(int a, int *b) +{ + *b = a; +} + +void baz(void) { + int a = 5; + zz(++a, &a); /* { dg-bogus "operation on 'a' may be undefined" } */ +} |