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| author | Martin Sebor <msebor@redhat.com> | 2019-02-22 16:24:36 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2019-02-22 09:24:36 -0700 |
| commit | 3c2a70cb1414b10ab3d52286087398cd03a70413 (patch) | |
| tree | 34bd4615f175e082208c635ea524cf2c610a5199 /gcc/c | |
| parent | d228ac9ae52cc33ea572da89f325f8aeebd9eb32 (diff) | |
| download | gcc-3c2a70cb1414b10ab3d52286087398cd03a70413.zip gcc-3c2a70cb1414b10ab3d52286087398cd03a70413.tar.gz gcc-3c2a70cb1414b10ab3d52286087398cd03a70413.tar.bz2 | |
PR c/89425 - -Wabsolute-value warns in dead subexpressions
gcc/c/ChangeLog:
PR c/89425
* c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
unreachable subexpressions.
gcc/testsuite/ChangeLog:
PR c/89425
* gcc.dg/Wabsolute-value.c: New test.
From-SVN: r269121
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/c-parser.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c index 22c7416..ee722cc 100644 --- a/gcc/c/c-parser.c +++ b/gcc/c/c-parser.c @@ -9374,6 +9374,10 @@ sizeof_ptr_memacc_comptypes (tree type1, tree type2) static void warn_for_abs (location_t loc, tree fndecl, tree arg) { + /* Avoid warning in unreachable subexpressions. */ + if (c_inhibit_evaluation_warnings) + return; + tree atype = TREE_TYPE (arg); /* Casts from pointers (and thus arrays and fndecls) will generate |